diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/apint-select.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/apint-select.ll | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/llvm/test/Transforms/InstCombine/apint-select.ll b/llvm/test/Transforms/InstCombine/apint-select.ll deleted file mode 100644 index 0613d437085..00000000000 --- a/llvm/test/Transforms/InstCombine/apint-select.ll +++ /dev/null @@ -1,118 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -instcombine -S | FileCheck %s - -; No selects should remain. - -define i41 @zext(i1 %C) { -; CHECK-LABEL: @zext( -; CHECK-NEXT: [[V:%.*]] = zext i1 %C to i41 -; CHECK-NEXT: ret i41 [[V]] -; - %V = select i1 %C, i41 1, i41 0 - ret i41 %V -} - -define i41 @sext(i1 %C) { -; CHECK-LABEL: @sext( -; CHECK-NEXT: [[V:%.*]] = sext i1 %C to i41 -; CHECK-NEXT: ret i41 [[V]] -; - %V = select i1 %C, i41 -1, i41 0 - ret i41 %V -} - -define i999 @not_zext(i1 %C) { -; CHECK-LABEL: @not_zext( -; CHECK-NEXT: [[NOT_C:%.*]] = xor i1 %C, true -; CHECK-NEXT: [[V:%.*]] = zext i1 [[NOT_C]] to i999 -; CHECK-NEXT: ret i999 [[V]] -; - %V = select i1 %C, i999 0, i999 1 - ret i999 %V -} - -define i999 @not_sext(i1 %C) { -; CHECK-LABEL: @not_sext( -; CHECK-NEXT: [[NOT_C:%.*]] = xor i1 %C, true -; CHECK-NEXT: [[V:%.*]] = sext i1 [[NOT_C]] to i999 -; CHECK-NEXT: ret i999 [[V]] -; - %V = select i1 %C, i999 0, i999 -1 - ret i999 %V -} - -; Vector selects of vector splat constants match APInt too. - -define <2 x i41> @zext_vec(<2 x i1> %C) { -; CHECK-LABEL: @zext_vec( -; CHECK-NEXT: [[V:%.*]] = zext <2 x i1> %C to <2 x i41> -; CHECK-NEXT: ret <2 x i41> [[V]] -; - %V = select <2 x i1> %C, <2 x i41> <i41 1, i41 1>, <2 x i41> <i41 0, i41 0> - ret <2 x i41> %V -} - -define <2 x i32> @sext_vec(<2 x i1> %C) { -; CHECK-LABEL: @sext_vec( -; CHECK-NEXT: [[V:%.*]] = sext <2 x i1> %C to <2 x i32> -; CHECK-NEXT: ret <2 x i32> [[V]] -; - %V = select <2 x i1> %C, <2 x i32> <i32 -1, i32 -1>, <2 x i32> <i32 0, i32 0> - ret <2 x i32> %V -} - -define <2 x i999> @not_zext_vec(<2 x i1> %C) { -; CHECK-LABEL: @not_zext_vec( -; CHECK-NEXT: [[NOT_C:%.*]] = xor <2 x i1> %C, <i1 true, i1 true> -; CHECK-NEXT: [[V:%.*]] = zext <2 x i1> [[NOT_C]] to <2 x i999> -; CHECK-NEXT: ret <2 x i999> [[V]] -; - %V = select <2 x i1> %C, <2 x i999> <i999 0, i999 0>, <2 x i999> <i999 1, i999 1> - ret <2 x i999> %V -} - -define <2 x i64> @not_sext_vec(<2 x i1> %C) { -; CHECK-LABEL: @not_sext_vec( -; CHECK-NEXT: [[NOT_C:%.*]] = xor <2 x i1> %C, <i1 true, i1 true> -; CHECK-NEXT: [[V:%.*]] = sext <2 x i1> [[NOT_C]] to <2 x i64> -; CHECK-NEXT: ret <2 x i64> [[V]] -; - %V = select <2 x i1> %C, <2 x i64> <i64 0, i64 0>, <2 x i64> <i64 -1, i64 -1> - ret <2 x i64> %V -} - -; But don't touch this - we would need 3 instructions to extend and splat the scalar select condition. - -define <2 x i32> @scalar_select_of_vectors(i1 %c) { -; CHECK-LABEL: @scalar_select_of_vectors( -; CHECK-NEXT: [[V:%.*]] = select i1 %c, <2 x i32> <i32 1, i32 1>, <2 x i32> zeroinitializer -; CHECK-NEXT: ret <2 x i32> [[V]] -; - %V = select i1 %c, <2 x i32> <i32 1, i32 1>, <2 x i32> zeroinitializer - ret <2 x i32> %V -} - -;; (x <s 0) ? -1 : 0 -> ashr x, 31 - -define i41 @test3(i41 %X) { -; CHECK-LABEL: @test3( -; CHECK-NEXT: [[X_LOBIT:%.*]] = ashr i41 %X, 40 -; CHECK-NEXT: ret i41 [[X_LOBIT]] -; - %t = icmp slt i41 %X, 0 - %V = select i1 %t, i41 -1, i41 0 - ret i41 %V -} - -;; (x <s 0) ? -1 : 0 -> ashr x, 31 - -define i1023 @test4(i1023 %X) { -; CHECK-LABEL: @test4( -; CHECK-NEXT: [[X_LOBIT:%.*]] = ashr i1023 %X, 1022 -; CHECK-NEXT: ret i1023 [[X_LOBIT]] -; - %t = icmp slt i1023 %X, 0 - %V = select i1 %t, i1023 -1, i1023 0 - ret i1023 %V -} - |