derek.holloway
7502bf64a4
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71 lines
2.9 KiB
LLVM
71 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt < %s -passes=reassociate,instcombine -S | FileCheck %s
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; Not marked as fast, so must not change.
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define float @test1(float %a0, float %a1, float %a2, float %a3, float %a4) {
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; CHECK-LABEL: define float @test1(
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; CHECK-SAME: float [[A0:%.*]], float [[A1:%.*]], float [[A2:%.*]], float [[A3:%.*]], float [[A4:%.*]]) {
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; CHECK-NEXT: [[TMP_2:%.*]] = fadd float [[A3]], [[A4]]
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; CHECK-NEXT: [[TMP_4:%.*]] = fadd float [[A2]], [[TMP_2]]
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; CHECK-NEXT: [[TMP_6:%.*]] = fadd float [[A1]], [[TMP_4]]
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; CHECK-NEXT: [[TMP_8:%.*]] = fadd float [[A0]], [[TMP_6]]
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; CHECK-NEXT: [[TMP_11:%.*]] = fadd float [[A2]], [[A3]]
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; CHECK-NEXT: [[TMP_13:%.*]] = fadd float [[A1]], [[TMP_11]]
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; CHECK-NEXT: [[TMP_15:%.*]] = fadd float [[A0]], [[TMP_13]]
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; CHECK-NEXT: [[TMP_18:%.*]] = fadd float [[A1]], [[A2]]
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; CHECK-NEXT: [[TMP_20:%.*]] = fadd float [[A0]], [[TMP_18]]
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; CHECK-NEXT: [[TMP_23:%.*]] = fadd float [[A0]], [[A1]]
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; CHECK-NEXT: [[TMP_26:%.*]] = fsub float [[TMP_8]], [[TMP_15]]
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; CHECK-NEXT: [[TMP_28:%.*]] = fadd float [[TMP_20]], [[TMP_26]]
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; CHECK-NEXT: [[TMP_30:%.*]] = fsub float [[TMP_28]], [[TMP_23]]
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; CHECK-NEXT: [[TMP_32:%.*]] = fsub float [[TMP_30]], [[A4]]
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; CHECK-NEXT: [[TMP_34:%.*]] = fsub float [[TMP_32]], [[A2]]
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; CHECK-NEXT: [[T:%.*]] = fmul float [[TMP_34]], [[TMP_34]]
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; CHECK-NEXT: ret float [[T]]
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;
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%tmp.2 = fadd float %a4, %a3
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%tmp.4 = fadd float %tmp.2, %a2
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%tmp.6 = fadd float %tmp.4, %a1
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%tmp.8 = fadd float %tmp.6, %a0
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%tmp.11 = fadd float %a3, %a2
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%tmp.13 = fadd float %tmp.11, %a1
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%tmp.15 = fadd float %tmp.13, %a0
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%tmp.18 = fadd float %a2, %a1
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%tmp.20 = fadd float %tmp.18, %a0
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%tmp.23 = fadd float %a1, %a0
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%tmp.26 = fsub float %tmp.8, %tmp.15
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%tmp.28 = fadd float %tmp.26, %tmp.20
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%tmp.30 = fsub float %tmp.28, %tmp.23
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%tmp.32 = fsub float %tmp.30, %a4
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%tmp.34 = fsub float %tmp.32, %a2
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%T = fmul float %tmp.34, %tmp.34
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ret float %T
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}
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; Should be able to eliminate everything.
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define float @test2(float %a0, float %a1, float %a2, float %a3, float %a4) {
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; CHECK-LABEL: define float @test2(
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; CHECK-SAME: float [[A0:%.*]], float [[A1:%.*]], float [[A2:%.*]], float [[A3:%.*]], float [[A4:%.*]]) {
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; CHECK-NEXT: ret float 0.000000e+00
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;
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%tmp.2 = fadd fast float %a4, %a3
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%tmp.4 = fadd fast float %tmp.2, %a2
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%tmp.6 = fadd fast float %tmp.4, %a1
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%tmp.8 = fadd fast float %tmp.6, %a0
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%tmp.11 = fadd fast float %a3, %a2
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%tmp.13 = fadd fast float %tmp.11, %a1
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%tmp.15 = fadd fast float %tmp.13, %a0
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%tmp.18 = fadd fast float %a2, %a1
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%tmp.20 = fadd fast float %tmp.18, %a0
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%tmp.23 = fadd fast float %a1, %a0
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%tmp.26 = fsub fast float %tmp.8, %tmp.15
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%tmp.28 = fadd fast float %tmp.26, %tmp.20
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%tmp.30 = fsub fast float %tmp.28, %tmp.23
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%tmp.32 = fsub fast float %tmp.30, %a4
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%tmp.34 = fsub fast float %tmp.32, %a2
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%T = fmul fast float %tmp.34, %tmp.34
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ret float %T
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}
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