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-rw-r--r--llvm/test/Transforms/Reassociate/fast-SubReassociate.ll119
1 files changed, 0 insertions, 119 deletions
diff --git a/llvm/test/Transforms/Reassociate/fast-SubReassociate.ll b/llvm/test/Transforms/Reassociate/fast-SubReassociate.ll
deleted file mode 100644
index 9b2b55746db..00000000000
--- a/llvm/test/Transforms/Reassociate/fast-SubReassociate.ll
+++ /dev/null
@@ -1,119 +0,0 @@
-; RUN: opt < %s -reassociate -constprop -instcombine -S | FileCheck %s
-
-define float @test1(float %A, float %B) {
-; CHECK-LABEL: @test1(
-; CHECK-NEXT: [[W:%.*]] = fadd float %B, 5.000000e+00
-; CHECK-NEXT: [[X:%.*]] = fadd float %A, -7.000000e+00
-; CHECK-NEXT: [[Y:%.*]] = fsub float [[X]], [[W]]
-; CHECK-NEXT: [[Z:%.*]] = fadd float [[Y]], 1.200000e+01
-; CHECK-NEXT: ret float [[Z]]
-;
- %W = fadd float 5.0, %B
- %X = fadd float -7.0, %A
- %Y = fsub float %X, %W
- %Z = fadd float %Y, 12.0
- ret float %Z
-}
-
-; With sub reassociation, constant folding can eliminate all of the constants.
-define float @test2(float %A, float %B) {
-; CHECK-LABEL: @test2(
-; CHECK-NEXT: [[Z:%.*]] = fsub fast float %A, %B
-; CHECK-NEXT: ret float [[Z]]
-;
- %W = fadd fast float %B, 5.000000e+00
- %X = fadd fast float %A, -7.000000e+00
- %Y = fsub fast float %X, %W
- %Z = fadd fast float %Y, 1.200000e+01
- ret float %Z
-}
-
-; Check again using minimal subset of FMF.
-; Both 'reassoc' and 'nsz' are required.
-define float @test2_minimal(float %A, float %B) {
-; CHECK-LABEL: @test2_minimal(
-; CHECK-NEXT: [[Z:%.*]] = fsub reassoc nsz float %A, %B
-; CHECK-NEXT: ret float [[Z]]
-;
- %W = fadd reassoc nsz float %B, 5.000000e+00
- %X = fadd reassoc nsz float %A, -7.000000e+00
- %Y = fsub reassoc nsz float %X, %W
- %Z = fadd reassoc nsz float %Y, 1.200000e+01
- ret float %Z
-}
-
-; Verify the fold is not done with only 'reassoc' ('nsz' is required).
-define float @test2_reassoc(float %A, float %B) {
-; CHECK-LABEL: @test2_reassoc(
-; CHECK-NEXT: [[W:%.*]] = fadd reassoc float %B, 5.000000e+00
-; CHECK-NEXT: [[X:%.*]] = fadd reassoc float %A, -7.000000e+00
-; CHECK-NEXT: [[Y:%.*]] = fsub reassoc float [[X]], [[W]]
-; CHECK-NEXT: [[Z:%.*]] = fadd reassoc float [[Y]], 1.200000e+01
-; CHECK-NEXT: ret float [[Z]]
-;
- %W = fadd reassoc float %B, 5.000000e+00
- %X = fadd reassoc float %A, -7.000000e+00
- %Y = fsub reassoc float %X, %W
- %Z = fadd reassoc float %Y, 1.200000e+01
- ret float %Z
-}
-
-define float @test3(float %A, float %B, float %C, float %D) {
-; CHECK-LABEL: @test3(
-; CHECK-NEXT: [[M:%.*]] = fadd float %A, 1.200000e+01
-; CHECK-NEXT: [[N:%.*]] = fadd float [[M]], %B
-; CHECK-NEXT: [[O:%.*]] = fadd float [[N]], %C
-; CHECK-NEXT: [[P:%.*]] = fsub float %D, [[O]]
-; CHECK-NEXT: [[Q:%.*]] = fadd float [[P]], 1.200000e+01
-; CHECK-NEXT: ret float [[Q]]
-;
- %M = fadd float %A, 1.200000e+01
- %N = fadd float %M, %B
- %O = fadd float %N, %C
- %P = fsub float %D, %O
- %Q = fadd float %P, 1.200000e+01
- ret float %Q
-}
-
-; With sub reassociation, constant folding can eliminate the two 12 constants.
-
-define float @test4(float %A, float %B, float %C, float %D) {
-; FIXME: InstCombine should be able to get us to the following:
-; %sum = fadd fast float %B, %A
-; %sum1 = fadd fast float %sum, %C
-; %Q = fsub fast float %D, %sum1
-; ret i32 %Q
-; CHECK-LABEL: @test4(
-; CHECK-NEXT: [[B_NEG:%.*]] = fsub fast float -0.000000e+00, %B
-; CHECK-NEXT: [[O_NEG:%.*]] = fsub fast float [[B_NEG]], %A
-; CHECK-NEXT: [[P:%.*]] = fsub fast float [[O_NEG]], %C
-; CHECK-NEXT: [[Q:%.*]] = fadd fast float [[P]], %D
-; CHECK-NEXT: ret float [[Q]]
-;
- %M = fadd fast float 1.200000e+01, %A
- %N = fadd fast float %M, %B
- %O = fadd fast float %N, %C
- %P = fsub fast float %D, %O
- %Q = fadd fast float 1.200000e+01, %P
- ret float %Q
-}
-
-; Check again using minimal subset of FMF.
-
-define float @test4_reassoc(float %A, float %B, float %C, float %D) {
-; CHECK-LABEL: @test4_reassoc(
-; CHECK-NEXT: [[M:%.*]] = fadd reassoc float %A, 1.200000e+01
-; CHECK-NEXT: [[N:%.*]] = fadd reassoc float [[M]], %B
-; CHECK-NEXT: [[O:%.*]] = fadd reassoc float [[N]], %C
-; CHECK-NEXT: [[P:%.*]] = fsub reassoc float %D, [[O]]
-; CHECK-NEXT: [[Q:%.*]] = fadd reassoc float [[P]], 1.200000e+01
-; CHECK-NEXT: ret float [[Q]]
-;
- %M = fadd reassoc float 1.200000e+01, %A
- %N = fadd reassoc float %M, %B
- %O = fadd reassoc float %N, %C
- %P = fsub reassoc float %D, %O
- %Q = fadd reassoc float 1.200000e+01, %P
- ret float %Q
-}
-
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