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-rw-r--r--llvm/test/Transforms/InstCombine/clamp-to-minmax.ll607
1 files changed, 0 insertions, 607 deletions
diff --git a/llvm/test/Transforms/InstCombine/clamp-to-minmax.ll b/llvm/test/Transforms/InstCombine/clamp-to-minmax.ll
deleted file mode 100644
index 49b5160ba24..00000000000
--- a/llvm/test/Transforms/InstCombine/clamp-to-minmax.ll
+++ /dev/null
@@ -1,607 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-; (X < C1) ? C1 : MIN(X, C2)
-define float @clamp_float_fast_ordered_strict_maxmin(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_ordered_strict_maxmin(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast oge float [[MIN]], 1.000000e+00
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MIN]], float 1.000000e+00
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast olt float %x, 255.0
- %min = select i1 %cmp2, float %x, float 255.0
- %cmp1 = fcmp fast olt float %x, 1.0
- %r = select i1 %cmp1, float 1.0, float %min
- ret float %r
-}
-
-; (X <= C1) ? C1 : MIN(X, C2)
-define float @clamp_float_fast_ordered_nonstrict_maxmin(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_ordered_nonstrict_maxmin(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast oge float [[MIN]], 1.000000e+00
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MIN]], float 1.000000e+00
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast olt float %x, 255.0
- %min = select i1 %cmp2, float %x, float 255.0
- %cmp1 = fcmp fast ole float %x, 1.0
- %r = select i1 %cmp1, float 1.0, float %min
- ret float %r
-}
-
-; (X > C1) ? C1 : MAX(X, C2)
-define float @clamp_float_fast_ordered_strict_minmax(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_ordered_strict_minmax(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast ogt float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2]], float [[X]], float 1.000000e+00
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast ole float [[MAX]], 2.550000e+02
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MAX]], float 2.550000e+02
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast ogt float %x, 1.0
- %max = select i1 %cmp2, float %x, float 1.0
- %cmp1 = fcmp fast ogt float %x, 255.0
- %r = select i1 %cmp1, float 255.0, float %max
- ret float %r
-}
-
-; (X >= C1) ? C1 : MAX(X, C2)
-define float @clamp_float_fast_ordered_nonstrict_minmax(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_ordered_nonstrict_minmax(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast ogt float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2]], float [[X]], float 1.000000e+00
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast ole float [[MAX]], 2.550000e+02
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MAX]], float 2.550000e+02
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast ogt float %x, 1.0
- %max = select i1 %cmp2, float %x, float 1.0
- %cmp1 = fcmp fast oge float %x, 255.0
- %r = select i1 %cmp1, float 255.0, float %max
- ret float %r
-}
-
-
-; The same for unordered
-
-; (X < C1) ? C1 : MIN(X, C2)
-define float @clamp_float_fast_unordered_strict_maxmin(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_unordered_strict_maxmin(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp fast oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast oge float [[MIN]], 1.000000e+00
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MIN]], float 1.000000e+00
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast ult float %x, 255.0
- %min = select i1 %cmp2, float %x, float 255.0
- %cmp1 = fcmp fast ult float %x, 1.0
- %r = select i1 %cmp1, float 1.0, float %min
- ret float %r
-}
-
-; (X <= C1) ? C1 : MIN(X, C2)
-define float @clamp_float_fast_unordered_nonstrict_maxmin(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_unordered_nonstrict_maxmin(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp fast oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast oge float [[MIN]], 1.000000e+00
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MIN]], float 1.000000e+00
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast ult float %x, 255.0
- %min = select i1 %cmp2, float %x, float 255.0
- %cmp1 = fcmp fast ule float %x, 1.0
- %r = select i1 %cmp1, float 1.0, float %min
- ret float %r
-}
-
-; (X > C1) ? C1 : MAX(X, C2)
-define float @clamp_float_fast_unordered_strict_minmax(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_unordered_strict_minmax(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp fast ole float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2_INV]], float 1.000000e+00, float [[X]]
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast ole float [[MAX]], 2.550000e+02
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MAX]], float 2.550000e+02
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast ugt float %x, 1.0
- %max = select i1 %cmp2, float %x, float 1.0
- %cmp1 = fcmp fast ugt float %x, 255.0
- %r = select i1 %cmp1, float 255.0, float %max
- ret float %r
-}
-
-; (X >= C1) ? C1 : MAX(X, C2)
-define float @clamp_float_fast_unordered_nonstrict_minmax(float %x) {
-;
-; CHECK-LABEL: @clamp_float_fast_unordered_nonstrict_minmax(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp fast ole float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2_INV]], float 1.000000e+00, float [[X]]
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast ole float [[MAX]], 2.550000e+02
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[MAX]], float 2.550000e+02
-; CHECK-NEXT: ret float [[R1]]
-;
- %cmp2 = fcmp fast ugt float %x, 1.0
- %max = select i1 %cmp2, float %x, float 1.0
- %cmp1 = fcmp fast uge float %x, 255.0
- %r = select i1 %cmp1, float 255.0, float %max
- ret float %r
-}
-
-; Some more checks with fast
-
-; (X > 1.0) ? min(x, 255.0) : 1.0
-; That did not match because select was in inverse order.
-define float @clamp_test_1(float %x) {
-; CHECK-LABEL: @clamp_test_1(
-; CHECK-NEXT: [[INNER_CMP_INV:%.*]] = fcmp fast oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_CMP_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[DOTINV:%.*]] = fcmp fast oge float [[INNER_SEL]], 1.000000e+00
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[DOTINV]], float [[INNER_SEL]], float 1.000000e+00
-; CHECK-NEXT: ret float [[R1]]
-;
- %inner_cmp = fcmp fast ult float %x, 255.0
- %inner_sel = select i1 %inner_cmp, float %x, float 255.0
- %outer_cmp = fcmp fast ugt float %x, 1.0
- %r = select i1 %outer_cmp, float %inner_sel, float 1.0
- ret float %r
-}
-
-; And something negative
-
-; Like @clamp_test_1 but HighConst < LowConst
-define float @clamp_negative_wrong_const(float %x) {
-; CHECK-LABEL: @clamp_negative_wrong_const(
-; CHECK-NEXT: [[INNER_CMP_INV:%.*]] = fcmp fast oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_CMP_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[OUTER_CMP:%.*]] = fcmp fast ugt float [[X]], 5.120000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[OUTER_CMP]], float [[INNER_SEL]], float 5.120000e+02
-; CHECK-NEXT: ret float [[R]]
-;
- %inner_cmp = fcmp fast ult float %x, 255.0
- %inner_sel = select i1 %inner_cmp, float %x, float 255.0
- %outer_cmp = fcmp fast ugt float %x, 512.0
- %r = select i1 %outer_cmp, float %inner_sel, float 512.0
- ret float %r
-}
-
-; Like @clamp_test_1 but both are min
-define float @clamp_negative_same_op(float %x) {
-; CHECK-LABEL: @clamp_negative_same_op(
-; CHECK-NEXT: [[INNER_CMP_INV:%.*]] = fcmp fast oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[INNER_SEL:%.*]] = select i1 [[INNER_CMP_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[OUTER_CMP:%.*]] = fcmp fast ult float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[OUTER_CMP]], float [[INNER_SEL]], float 1.000000e+00
-; CHECK-NEXT: ret float [[R]]
-;
- %inner_cmp = fcmp fast ult float %x, 255.0
- %inner_sel = select i1 %inner_cmp, float %x, float 255.0
- %outer_cmp = fcmp fast ult float %x, 1.0
- %r = select i1 %outer_cmp, float %inner_sel, float 1.0
- ret float %r
-}
-
-
-; And now without fast.
-
-; First, check that we don't do bad things in the presence of signed zeros
-define float @clamp_float_with_zero1(float %x) {
-; CHECK-LABEL: @clamp_float_with_zero1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ole float [[X]], 0.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 0.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp fast olt float %x, 255.0
- %min = select i1 %cmp2, float %x, float 255.0
- %cmp1 = fcmp ole float %x, 0.0
- %r = select i1 %cmp1, float 0.0, float %min
- ret float %r
-}
-
-define float @clamp_float_with_zero2(float %x) {
-; CHECK-LABEL: @clamp_float_with_zero2(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp fast olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp olt float [[X]], 0.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 0.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp fast olt float %x, 255.0
- %min = select i1 %cmp2, float %x, float 255.0
- %cmp1 = fcmp olt float %x, 0.0
- %r = select i1 %cmp1, float 0.0, float %min
- ret float %r
-}
-
-; Also, here we care more about the ordering of the inner min/max, so
-; two times more cases.
-; TODO: that is not implemented yet, so these checks are for the
-; future. This means that checks below can just check that
-; "fcmp.*%x" happens twice for each label.
-
-; (X < C1) ? C1 : MIN(X, C2)
-define float @clamp_float_ordered_strict_maxmin1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_strict_maxmin1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp olt float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp olt float %x, 255.0 ; X is NaN => false
- %min = select i1 %cmp2, float %x, float 255.0 ; 255.0
- %cmp1 = fcmp olt float %x, 1.0 ; false
- %r = select i1 %cmp1, float 1.0, float %min ; min (255.0)
- ret float %r
-}
-
-define float @clamp_float_ordered_strict_maxmin2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_strict_maxmin2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp olt float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ult float %x, 255.0 ; X is NaN => true
- %min = select i1 %cmp2, float %x, float 255.0 ; NaN
- %cmp1 = fcmp olt float %x, 1.0 ; false
- %r = select i1 %cmp1, float 1.0, float %min ; min (NaN)
- ret float %r
-}
-
-; (X <= C1) ? C1 : MIN(X, C2)
-define float @clamp_float_ordered_nonstrict_maxmin1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_nonstrict_maxmin1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ole float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp olt float %x, 255.0 ; X is NaN => false
- %min = select i1 %cmp2, float %x, float 255.0 ; 255.0
- %cmp1 = fcmp ole float %x, 1.0 ; false
- %r = select i1 %cmp1, float 1.0, float %min ; min (255.0)
- ret float %r
-}
-
-define float @clamp_float_ordered_nonstrict_maxmin2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_nonstrict_maxmin2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ole float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ult float %x, 255.0 ; x is NaN => true
- %min = select i1 %cmp2, float %x, float 255.0 ; NaN
- %cmp1 = fcmp ole float %x, 1.0 ; false
- %r = select i1 %cmp1, float 1.0, float %min ; min (NaN)
- ret float %r
-}
-
-; (X > C1) ? C1 : MAX(X, C2)
-define float @clamp_float_ordered_strict_minmax1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_strict_minmax1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp ogt float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2]], float [[X]], float 1.000000e+00
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ogt float %x, 1.0 ; x is NaN => false
- %max = select i1 %cmp2, float %x, float 1.0 ; 1.0
- %cmp1 = fcmp ogt float %x, 255.0 ; false
- %r = select i1 %cmp1, float 255.0, float %max ; max (1.0)
- ret float %r
-}
-
-define float @clamp_float_ordered_strict_minmax2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_strict_minmax2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp ole float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2_INV]], float 1.000000e+00, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ogt float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ugt float %x, 1.0 ; x is NaN => true
- %max = select i1 %cmp2, float %x, float 1.0 ; NaN
- %cmp1 = fcmp ogt float %x, 255.0 ; false
- %r = select i1 %cmp1, float 255.0, float %max ; max (NaN)
- ret float %r
-}
-
-; (X >= C1) ? C1 : MAX(X, C2)
-define float @clamp_float_ordered_nonstrict_minmax1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_nonstrict_minmax1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp ogt float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2]], float [[X]], float 1.000000e+00
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp oge float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ogt float %x, 1.0 ; x is NaN => false
- %max = select i1 %cmp2, float %x, float 1.0 ; 1.0
- %cmp1 = fcmp oge float %x, 255.0 ; false
- %r = select i1 %cmp1, float 255.0, float %max ; max (1.0)
- ret float %r
-}
-
-define float @clamp_float_ordered_nonstrict_minmax2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_ordered_nonstrict_minmax2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp ole float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2_INV]], float 1.000000e+00, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp oge float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ugt float %x, 1.0 ; x is NaN => true
- %max = select i1 %cmp2, float %x, float 1.0 ; NaN
- %cmp1 = fcmp oge float %x, 255.0 ; false
- %r = select i1 %cmp1, float 255.0, float %max ; max (NaN)
- ret float %r
-}
-
-
-; The same for unordered
-
-; (X < C1) ? C1 : MIN(X, C2)
-define float @clamp_float_unordered_strict_maxmin1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_strict_maxmin1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ult float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp olt float %x, 255.0 ; x is NaN => false
- %min = select i1 %cmp2, float %x, float 255.0 ; 255.0
- %cmp1 = fcmp ult float %x, 1.0 ; true
- %r = select i1 %cmp1, float 1.0, float %min ; 1.0
- ret float %r
-}
-
-define float @clamp_float_unordered_strict_maxmin2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_strict_maxmin2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ult float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ult float %x, 255.0 ; x is NaN => true
- %min = select i1 %cmp2, float %x, float 255.0 ; NaN
- %cmp1 = fcmp ult float %x, 1.0 ; true
- %r = select i1 %cmp1, float 1.0, float %min ; 1.0
- ret float %r
-}
-
-; (X <= C1) ? C1 : MIN(X, C2)
-define float @clamp_float_unordered_nonstrict_maxmin1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_nonstrict_maxmin1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp olt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2]], float [[X]], float 2.550000e+02
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ule float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp olt float %x, 255.0 ; x is NaN => false
- %min = select i1 %cmp2, float %x, float 255.0 ; 255.0
- %cmp1 = fcmp ule float %x, 1.0 ; true
- %r = select i1 %cmp1, float 1.0, float %min ; 1.0
- ret float %r
-}
-
-define float @clamp_float_unordered_nonstrict_maxmin2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_nonstrict_maxmin2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp oge float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[MIN:%.*]] = select i1 [[CMP2_INV]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ule float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 1.000000e+00, float [[MIN]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ult float %x, 255.0 ; x is NaN => true
- %min = select i1 %cmp2, float %x, float 255.0 ; NaN
- %cmp1 = fcmp ule float %x, 1.0 ; true
- %r = select i1 %cmp1, float 1.0, float %min ; 1.0
- ret float %r
-}
-
-; (X > C1) ? C1 : MAX(X, C2)
-define float @clamp_float_unordered_strict_minmax1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_strict_minmax1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp ogt float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2]], float [[X]], float 1.000000e+00
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ugt float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ogt float %x, 1.0 ; x is NaN => false
- %max = select i1 %cmp2, float %x, float 1.0 ; 1.0
- %cmp1 = fcmp ugt float %x, 255.0 ; true
- %r = select i1 %cmp1, float 255.0, float %max ; 255.0
- ret float %r
-}
-
-define float @clamp_float_unordered_strict_minmax2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_strict_minmax2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp ole float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2_INV]], float 1.000000e+00, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp ugt float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ugt float %x, 1.0 ; x is NaN => true
- %max = select i1 %cmp2, float %x, float 1.0 ; NaN
- %cmp1 = fcmp ugt float %x, 255.0 ; true
- %r = select i1 %cmp1, float 255.0, float %max ; 255.0
- ret float %r
-}
-
-; (X >= C1) ? C1 : MAX(X, C2)
-define float @clamp_float_unordered_nonstrict_minmax1(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_nonstrict_minmax1(
-; CHECK-NEXT: [[CMP2:%.*]] = fcmp ogt float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2]], float [[X]], float 1.000000e+00
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp uge float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ogt float %x, 1.0 ; x is NaN => false
- %max = select i1 %cmp2, float %x, float 1.0 ; 1.0
- %cmp1 = fcmp uge float %x, 255.0 ; true
- %r = select i1 %cmp1, float 255.0, float %max ; 255.0
- ret float %r
-}
-
-define float @clamp_float_unordered_nonstrict_minmax2(float %x) {
-;
-; CHECK-LABEL: @clamp_float_unordered_nonstrict_minmax2(
-; CHECK-NEXT: [[CMP2_INV:%.*]] = fcmp ole float [[X:%.*]], 1.000000e+00
-; CHECK-NEXT: [[MAX:%.*]] = select i1 [[CMP2_INV]], float 1.000000e+00, float [[X]]
-; CHECK-NEXT: [[CMP1:%.*]] = fcmp uge float [[X]], 2.550000e+02
-; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP1]], float 2.550000e+02, float [[MAX]]
-; CHECK-NEXT: ret float [[R]]
-;
- %cmp2 = fcmp ugt float %x, 1.0 ; x is NaN => true
- %max = select i1 %cmp2, float %x, float 1.0 ; NaN
- %cmp1 = fcmp uge float %x, 255.0 ; true
- %r = select i1 %cmp1, float 255.0, float %max ; 255.0
- ret float %r
-}
-
-;; Check casts behavior
-define float @ui32_clamp_and_cast_to_float(i32 %x) {
-; CHECK-LABEL: @ui32_clamp_and_cast_to_float(
-; CHECK-NEXT: [[LO_CMP:%.*]] = icmp eq i32 [[X:%.*]], 0
-; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[X]], 255
-; CHECK-NEXT: [[MIN1:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 255
-; CHECK-NEXT: [[TMP2:%.*]] = uitofp i32 [[MIN1]] to float
-; CHECK-NEXT: [[R:%.*]] = select i1 [[LO_CMP]], float 1.000000e+00, float [[TMP2]]
-; CHECK-NEXT: ret float [[R]]
-;
- %f_x = uitofp i32 %x to float
- %up_cmp = icmp ugt i32 %x, 255
- %lo_cmp = icmp ult i32 %x, 1
- %min = select i1 %up_cmp, float 255.0, float %f_x
- %r = select i1 %lo_cmp, float 1.0, float %min
- ret float %r
-}
-
-define float @ui64_clamp_and_cast_to_float(i64 %x) {
-; CHECK-LABEL: @ui64_clamp_and_cast_to_float(
-; CHECK-NEXT: [[LO_CMP:%.*]] = icmp eq i64 [[X:%.*]], 0
-; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i64 [[X]], 255
-; CHECK-NEXT: [[MIN1:%.*]] = select i1 [[TMP1]], i64 [[X]], i64 255
-; CHECK-NEXT: [[TMP2:%.*]] = uitofp i64 [[MIN1]] to float
-; CHECK-NEXT: [[R:%.*]] = select i1 [[LO_CMP]], float 1.000000e+00, float [[TMP2]]
-; CHECK-NEXT: ret float [[R]]
-;
- %f_x = uitofp i64 %x to float
- %up_cmp = icmp ugt i64 %x, 255
- %lo_cmp = icmp ult i64 %x, 1
- %min = select i1 %up_cmp, float 255.0, float %f_x
- %r = select i1 %lo_cmp, float 1.0, float %min
- ret float %r
-}
-
-define float @mixed_clamp_to_float_1(i32 %x) {
-; CHECK-LABEL: @mixed_clamp_to_float_1(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[X:%.*]], 255
-; CHECK-NEXT: [[SI_MIN:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 255
-; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[SI_MIN]], 1
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[TMP2]], i32 [[SI_MIN]], i32 1
-; CHECK-NEXT: [[TMP3:%.*]] = sitofp i32 [[R1]] to float
-; CHECK-NEXT: ret float [[TMP3]]
-;
- %si_min_cmp = icmp sgt i32 %x, 255
- %si_min = select i1 %si_min_cmp, i32 255, i32 %x
- %f_min = sitofp i32 %si_min to float
- %f_x = sitofp i32 %x to float
- %lo_cmp = fcmp ult float %f_x, 1.0
- %r = select i1 %lo_cmp, float 1.0, float %f_min
- ret float %r
-}
-
-define i32 @mixed_clamp_to_i32_1(float %x) {
-; CHECK-LABEL: @mixed_clamp_to_i32_1(
-; CHECK-NEXT: [[FLOAT_MIN_CMP:%.*]] = fcmp ogt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[FLOAT_MIN:%.*]] = select i1 [[FLOAT_MIN_CMP]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[I32_MIN:%.*]] = fptosi float [[FLOAT_MIN]] to i32
-; CHECK-NEXT: [[I32_X:%.*]] = fptosi float [[X]] to i32
-; CHECK-NEXT: [[LO_CMP:%.*]] = icmp eq i32 [[I32_X]], 0
-; CHECK-NEXT: [[R:%.*]] = select i1 [[LO_CMP]], i32 1, i32 [[I32_MIN]]
-; CHECK-NEXT: ret i32 [[R]]
-;
- %float_min_cmp = fcmp ogt float %x, 255.0
- %float_min = select i1 %float_min_cmp, float 255.0, float %x
- %i32_min = fptosi float %float_min to i32
- %i32_x = fptosi float %x to i32
- %lo_cmp = icmp ult i32 %i32_x, 1
- %r = select i1 %lo_cmp, i32 1, i32 %i32_min
- ret i32 %r
-}
-
-define float @mixed_clamp_to_float_2(i32 %x) {
-; CHECK-LABEL: @mixed_clamp_to_float_2(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[X:%.*]], 255
-; CHECK-NEXT: [[SI_MIN:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 255
-; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[SI_MIN]], 1
-; CHECK-NEXT: [[R1:%.*]] = select i1 [[TMP2]], i32 [[SI_MIN]], i32 1
-; CHECK-NEXT: [[TMP3:%.*]] = sitofp i32 [[R1]] to float
-; CHECK-NEXT: ret float [[TMP3]]
-;
- %si_min_cmp = icmp sgt i32 %x, 255
- %si_min = select i1 %si_min_cmp, i32 255, i32 %x
- %f_min = sitofp i32 %si_min to float
- %lo_cmp = icmp slt i32 %x, 1
- %r = select i1 %lo_cmp, float 1.0, float %f_min
- ret float %r
-}
-
-define i32 @mixed_clamp_to_i32_2(float %x) {
-; CHECK-LABEL: @mixed_clamp_to_i32_2(
-; CHECK-NEXT: [[FLOAT_MIN_CMP:%.*]] = fcmp ogt float [[X:%.*]], 2.550000e+02
-; CHECK-NEXT: [[FLOAT_MIN:%.*]] = select i1 [[FLOAT_MIN_CMP]], float 2.550000e+02, float [[X]]
-; CHECK-NEXT: [[I32_MIN:%.*]] = fptosi float [[FLOAT_MIN]] to i32
-; CHECK-NEXT: [[LO_CMP:%.*]] = fcmp olt float [[X]], 1.000000e+00
-; CHECK-NEXT: [[R:%.*]] = select i1 [[LO_CMP]], i32 1, i32 [[I32_MIN]]
-; CHECK-NEXT: ret i32 [[R]]
-;
- %float_min_cmp = fcmp ogt float %x, 255.0
- %float_min = select i1 %float_min_cmp, float 255.0, float %x
- %i32_min = fptosi float %float_min to i32
- %lo_cmp = fcmp olt float %x, 1.0
- %r = select i1 %lo_cmp, i32 1, i32 %i32_min
- ret i32 %r
-}
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