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Diffstat (limited to 'llvm/test/Transforms/InstCombine/maximum.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/maximum.ll | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/llvm/test/Transforms/InstCombine/maximum.ll b/llvm/test/Transforms/InstCombine/maximum.ll deleted file mode 100644 index bd97a3794d4..00000000000 --- a/llvm/test/Transforms/InstCombine/maximum.ll +++ /dev/null @@ -1,292 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt -S -instcombine < %s | FileCheck %s - -declare float @llvm.maximum.f32(float, float) -declare <2 x float> @llvm.maximum.v2f32(<2 x float>, <2 x float>) -declare <4 x float> @llvm.maximum.v4f32(<4 x float>, <4 x float>) - -declare double @llvm.maximum.f64(double, double) -declare <2 x double> @llvm.maximum.v2f64(<2 x double>, <2 x double>) - -define float @constant_fold_maximum_f32() { -; CHECK-LABEL: @constant_fold_maximum_f32( -; CHECK-NEXT: ret float 2.000000e+00 -; - %x = call float @llvm.maximum.f32(float 1.0, float 2.0) - ret float %x -} - -define float @constant_fold_maximum_f32_inv() { -; CHECK-LABEL: @constant_fold_maximum_f32_inv( -; CHECK-NEXT: ret float 2.000000e+00 -; - %x = call float @llvm.maximum.f32(float 2.0, float 1.0) - ret float %x -} - -define float @constant_fold_maximum_f32_nan0() { -; CHECK-LABEL: @constant_fold_maximum_f32_nan0( -; CHECK-NEXT: ret float 0x7FF8000000000000 -; - %x = call float @llvm.maximum.f32(float 0x7FF8000000000000, float 2.0) - ret float %x -} - -define float @constant_fold_maximum_f32_nan1() { -; CHECK-LABEL: @constant_fold_maximum_f32_nan1( -; CHECK-NEXT: ret float 0x7FF8000000000000 -; - %x = call float @llvm.maximum.f32(float 2.0, float 0x7FF8000000000000) - ret float %x -} - -define float @constant_fold_maximum_f32_nan_nan() { -; CHECK-LABEL: @constant_fold_maximum_f32_nan_nan( -; CHECK-NEXT: ret float 0x7FF8000000000000 -; - %x = call float @llvm.maximum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) - ret float %x -} - -define float @constant_fold_maximum_f32_p0_p0() { -; CHECK-LABEL: @constant_fold_maximum_f32_p0_p0( -; CHECK-NEXT: ret float 0.000000e+00 -; - %x = call float @llvm.maximum.f32(float 0.0, float 0.0) - ret float %x -} - -define float @constant_fold_maximum_f32_p0_n0() { -; CHECK-LABEL: @constant_fold_maximum_f32_p0_n0( -; CHECK-NEXT: ret float 0.000000e+00 -; - %x = call float @llvm.maximum.f32(float 0.0, float -0.0) - ret float %x -} - -define float @constant_fold_maximum_f32_n0_p0() { -; CHECK-LABEL: @constant_fold_maximum_f32_n0_p0( -; CHECK-NEXT: ret float 0.000000e+00 -; - %x = call float @llvm.maximum.f32(float -0.0, float 0.0) - ret float %x -} - -define float @constant_fold_maximum_f32_n0_n0() { -; CHECK-LABEL: @constant_fold_maximum_f32_n0_n0( -; CHECK-NEXT: ret float -0.000000e+00 -; - %x = call float @llvm.maximum.f32(float -0.0, float -0.0) - ret float %x -} - -define <4 x float> @constant_fold_maximum_v4f32() { -; CHECK-LABEL: @constant_fold_maximum_v4f32( -; CHECK-NEXT: ret <4 x float> <float 2.000000e+00, float 8.000000e+00, float 1.000000e+01, float 9.000000e+00> -; - %x = call <4 x float> @llvm.maximum.v4f32(<4 x float> <float 1.0, float 8.0, float 3.0, float 9.0>, <4 x float> <float 2.0, float 2.0, float 10.0, float 5.0>) - ret <4 x float> %x -} - -define double @constant_fold_maximum_f64() { -; CHECK-LABEL: @constant_fold_maximum_f64( -; CHECK-NEXT: ret double 2.000000e+00 -; - %x = call double @llvm.maximum.f64(double 1.0, double 2.0) - ret double %x -} - -define double @constant_fold_maximum_f64_nan0() { -; CHECK-LABEL: @constant_fold_maximum_f64_nan0( -; CHECK-NEXT: ret double 0x7FF8000000000000 -; - %x = call double @llvm.maximum.f64(double 0x7FF8000000000000, double 2.0) - ret double %x -} - -define double @constant_fold_maximum_f64_nan1() { -; CHECK-LABEL: @constant_fold_maximum_f64_nan1( -; CHECK-NEXT: ret double 0x7FF8000000000000 -; - %x = call double @llvm.maximum.f64(double 2.0, double 0x7FF8000000000000) - ret double %x -} - -define double @constant_fold_maximum_f64_nan_nan() { -; CHECK-LABEL: @constant_fold_maximum_f64_nan_nan( -; CHECK-NEXT: ret double 0x7FF8000000000000 -; - %x = call double @llvm.maximum.f64(double 0x7FF8000000000000, double 0x7FF8000000000000) - ret double %x -} - -define float @canonicalize_constant_maximum_f32(float %x) { -; CHECK-LABEL: @canonicalize_constant_maximum_f32( -; CHECK-NEXT: [[Y:%.*]] = call float @llvm.maximum.f32(float [[X:%.*]], float 1.000000e+00) -; CHECK-NEXT: ret float [[Y]] -; - %y = call float @llvm.maximum.f32(float 1.0, float %x) - ret float %y -} - -define float @maximum_f32_nan_val(float %x) { -; CHECK-LABEL: @maximum_f32_nan_val( -; CHECK-NEXT: ret float 0x7FF8000000000000 -; - %y = call float @llvm.maximum.f32(float 0x7FF8000000000000, float %x) - ret float %y -} - -define float @maximum_f32_val_nan(float %x) { -; CHECK-LABEL: @maximum_f32_val_nan( -; CHECK-NEXT: ret float 0x7FF8000000000000 -; - %y = call float @llvm.maximum.f32(float %x, float 0x7FF8000000000000) - ret float %y -} - -define float @maximum_f32_1_maximum_val_p0(float %x) { -; CHECK-LABEL: @maximum_f32_1_maximum_val_p0( -; CHECK-NEXT: [[RES:%.*]] = call float @llvm.maximum.f32(float %x, float 1.000000e+00) -; CHECK-NEXT: ret float [[RES]] - %y = call float @llvm.maximum.f32(float %x, float 0.0) - %z = call float @llvm.maximum.f32(float %y, float 1.0) - ret float %z -} - -define float @maximum_f32_1_maximum_p0_val_fast(float %x) { -; CHECK-LABEL: @maximum_f32_1_maximum_p0_val_fast( -; CHECK-NEXT: [[RES:%.*]] = call fast float @llvm.maximum.f32(float %x, float 1.000000e+00) -; CHECK-NEXT: ret float [[RES]] - %y = call float @llvm.maximum.f32(float 0.0, float %x) - %z = call fast float @llvm.maximum.f32(float %y, float 1.0) - ret float %z -} - -define float @maximum_f32_1_maximum_p0_val_nnan_ninf(float %x) { -; CHECK-LABEL: @maximum_f32_1_maximum_p0_val_nnan_ninf( -; CHECK-NEXT: [[RES:%.*]] = call nnan ninf float @llvm.maximum.f32(float %x, float 1.000000e+00) -; CHECK-NEXT: ret float [[RES]] - %y = call float @llvm.maximum.f32(float 0.0, float %x) - %z = call nnan ninf float @llvm.maximum.f32(float %y, float 1.0) - ret float %z -} - -define float @maximum_f32_p0_maximum_val_n0(float %x) { -; CHECK-LABEL: @maximum_f32_p0_maximum_val_n0( -; CHECK-NEXT: [[RES:%.*]] = call float @llvm.maximum.f32(float %x, float 0.000000e+00) -; CHECK-NEXT: ret float [[RES]] - %y = call float @llvm.maximum.f32(float %x, float -0.0) - %z = call float @llvm.maximum.f32(float %y, float 0.0) - ret float %z -} - -define float @maximum_f32_1_maximum_p0_val(float %x) { -; CHECK-LABEL: @maximum_f32_1_maximum_p0_val( -; CHECK-NEXT: [[RES:%.*]] = call float @llvm.maximum.f32(float %x, float 1.000000e+00) -; CHECK-NEXT: ret float [[RES]] - %y = call float @llvm.maximum.f32(float 0.0, float %x) - %z = call float @llvm.maximum.f32(float %y, float 1.0) - ret float %z -} - -define <2 x float> @maximum_f32_1_maximum_val_p0_val_v2f32(<2 x float> %x) { -; CHECK-LABEL: @maximum_f32_1_maximum_val_p0_val_v2f32( -; CHECK-NEXT: [[RES:%.*]] = call <2 x float> @llvm.maximum.v2f32(<2 x float> %x, <2 x float> <float 1.000000e+00, float 1.000000e+00>) -; CHECK-NEXT: ret <2 x float> [[RES]] - %y = call <2 x float> @llvm.maximum.v2f32(<2 x float> %x, <2 x float> zeroinitializer) - %z = call <2 x float> @llvm.maximum.v2f32(<2 x float> %y, <2 x float><float 1.0, float 1.0>) - ret <2 x float> %z -} - -define float @maximum4(float %x, float %y, float %z, float %w) { -; CHECK-LABEL: @maximum4( -; CHECK-NEXT: [[A:%.*]] = call float @llvm.maximum.f32(float [[X:%.*]], float [[Y:%.*]]) -; CHECK-NEXT: [[B:%.*]] = call float @llvm.maximum.f32(float [[Z:%.*]], float [[W:%.*]]) -; CHECK-NEXT: [[C:%.*]] = call float @llvm.maximum.f32(float [[A]], float [[B]]) -; CHECK-NEXT: ret float [[C]] -; - %a = call float @llvm.maximum.f32(float %x, float %y) - %b = call float @llvm.maximum.f32(float %z, float %w) - %c = call float @llvm.maximum.f32(float %a, float %b) - ret float %c -} - -; PR37404 - https://bugs.llvm.org/show_bug.cgi?id=37404 - -define <2 x float> @neg_neg(<2 x float> %x, <2 x float> %y) { -; CHECK-LABEL: @neg_neg( -; CHECK-NEXT: [[TMP1:%.*]] = call <2 x float> @llvm.minimum.v2f32(<2 x float> [[X:%.*]], <2 x float> [[Y:%.*]]) -; CHECK-NEXT: [[R:%.*]] = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, [[TMP1]] -; CHECK-NEXT: ret <2 x float> [[R]] -; - %negx = fsub <2 x float> <float -0.0, float -0.0>, %x - %negy = fsub <2 x float> <float -0.0, float -0.0>, %y - %r = call <2 x float> @llvm.maximum.v2f32(<2 x float> %negx, <2 x float> %negy) - ret <2 x float> %r -} - -; FMF is not required, but it should be propagated from the intrinsic (not the fnegs). - -define float @neg_neg_vec_fmf(float %x, float %y) { -; CHECK-LABEL: @neg_neg_vec_fmf( -; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.minimum.f32(float [[X:%.*]], float [[Y:%.*]]) -; CHECK-NEXT: [[R:%.*]] = fsub fast float -0.000000e+00, [[TMP1]] -; CHECK-NEXT: ret float [[R]] -; - %negx = fsub arcp float -0.0, %x - %negy = fsub afn float -0.0, %y - %r = call fast float @llvm.maximum.f32(float %negx, float %negy) - ret float %r -} - -; 1 extra use of an intermediate value should still allow the fold, -; but 2 would require more instructions than we started with. - -declare void @use(float) -define float @neg_neg_extra_use_x(float %x, float %y) { -; CHECK-LABEL: @neg_neg_extra_use_x( -; CHECK-NEXT: [[NEGX:%.*]] = fsub float -0.000000e+00, [[X:%.*]] -; CHECK-NEXT: [[TMP1:%.*]] = call float @llvm.minimum.f32(float [[X]], float [[Y:%.*]]) -; CHECK-NEXT: [[R:%.*]] = fsub float -0.000000e+00, [[TMP1]] -; CHECK-NEXT: call void @use(float [[NEGX]]) -; CHECK-NEXT: ret float [[R]] -; - %negx = fsub float -0.0, %x - %negy = fsub float -0.0, %y - %r = call float @llvm.maximum.f32(float %negx, float %negy) - call void @use(float %negx) - ret float %r -} - -define float @neg_neg_extra_use_y(float %x, float %y) { -; CHECK-LABEL: @neg_neg_extra_use_y( -; CHECK-NEXT: [[NEGY:%.*]] = fsub float -0.000000e+00, [[Y:%.*]] -; CHECK-NEXT: [[TMP1:%.*]] = call float @llvm.minimum.f32(float [[X:%.*]], float [[Y]]) -; CHECK-NEXT: [[R:%.*]] = fsub float -0.000000e+00, [[TMP1]] -; CHECK-NEXT: call void @use(float [[NEGY]]) -; CHECK-NEXT: ret float [[R]] -; - %negx = fsub float -0.0, %x - %negy = fsub float -0.0, %y - %r = call float @llvm.maximum.f32(float %negx, float %negy) - call void @use(float %negy) - ret float %r -} - -define float @neg_neg_extra_use_x_and_y(float %x, float %y) { -; CHECK-LABEL: @neg_neg_extra_use_x_and_y( -; CHECK-NEXT: [[NEGX:%.*]] = fsub float -0.000000e+00, [[X:%.*]] -; CHECK-NEXT: [[NEGY:%.*]] = fsub float -0.000000e+00, [[Y:%.*]] -; CHECK-NEXT: [[R:%.*]] = call float @llvm.maximum.f32(float [[NEGX]], float [[NEGY]]) -; CHECK-NEXT: call void @use(float [[NEGX]]) -; CHECK-NEXT: call void @use(float [[NEGY]]) -; CHECK-NEXT: ret float [[R]] -; - %negx = fsub float -0.0, %x - %negy = fsub float -0.0, %y - %r = call float @llvm.maximum.f32(float %negx, float %negy) - call void @use(float %negx) - call void @use(float %negy) - ret float %r -} |