0676acb6fd
Should cover most of the tests for GVN, GVNHoist, GVNSink, GlobalOpt, GlobalSplit, InstCombine, Reassociate, SROA and TailCallElim that had not been updated earlier.
108 lines
5.3 KiB
LLVM
108 lines
5.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -run-twice -passes=reassociate %s -S -o - | FileCheck %s
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; RUN: opt -run-twice -passes=reassociate %s -S -o - | FileCheck %s
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; The PairMap[NumBinaryOps] used by the Reassociate pass used to have Value
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; *pointers as keys and no handling for values being removed. In some cases (in
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; practice very rarely, but in this particular test - well over 50% of the time)
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; a newly created Value would happen to get allocated at the same memory
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; address, effectively "replacing" the key in the map.
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;
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; Test that that doesn't happen anymore and the pass is deterministic.
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;
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; The failure rate of this test (at least, on my 8 core iMac), when ran in the
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; context of other unit tests executed | specifically, I was trying
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;
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; ./bin/llvm-lit -v ../test/Transforms/Reassociate
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;
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; is as follows:
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;
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; # of RUN lines repeated | just -run-twice | -run-twice and CHECK lines
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; ------------------------+-----------------+---------------------------
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; 1 | 30% | <didn't measure>
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; 2 | 55% | 95%
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; 3 | 55% | <didn't measure>
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;
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; hence the specific shape of this test. The IR itself comes from a real-world
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; code, successfully bugpointed.
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define float @test(float %arg) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP:%.*]] = fmul fast float [[ARG:%.*]], 0x3FE99999A0000000
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; CHECK-NEXT: [[TMP110:%.*]] = fsub fast float 1.000000e+00, [[TMP]]
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; CHECK-NEXT: [[TMP2:%.*]] = fmul fast float [[ARG]], 0x3FE99999A0000000
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; CHECK-NEXT: [[TMP311:%.*]] = fsub fast float 1.000000e+00, [[TMP2]]
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; CHECK-NEXT: [[REASS_MUL160:%.*]] = fmul fast float [[TMP110]], [[ARG]]
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; CHECK-NEXT: [[TMP4:%.*]] = fmul fast float [[REASS_MUL160]], [[TMP311]]
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; CHECK-NEXT: [[TMP5:%.*]] = fadd fast float [[TMP4]], [[ARG]]
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; CHECK-NEXT: [[TMP6:%.*]] = fmul fast float [[TMP5]], [[ARG]]
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; CHECK-NEXT: [[TMP7:%.*]] = fadd fast float [[TMP6]], [[ARG]]
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; CHECK-NEXT: [[TMP8:%.*]] = fmul fast float [[TMP7]], [[ARG]]
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; CHECK-NEXT: [[TMP9:%.*]] = fadd fast float [[TMP8]], [[ARG]]
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; CHECK-NEXT: [[TMP10:%.*]] = fmul fast float [[TMP9]], [[ARG]]
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; CHECK-NEXT: [[TMP11:%.*]] = fadd fast float [[TMP10]], [[ARG]]
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; CHECK-NEXT: [[TMP12:%.*]] = fmul fast float [[TMP11]], [[ARG]]
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; CHECK-NEXT: [[TMP13:%.*]] = fadd fast float [[TMP12]], [[ARG]]
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; CHECK-NEXT: [[TMP14:%.*]] = fmul fast float [[TMP13]], [[ARG]]
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; CHECK-NEXT: [[TMP15:%.*]] = fadd fast float [[TMP14]], [[ARG]]
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; CHECK-NEXT: [[TMP16:%.*]] = fmul fast float [[TMP15]], [[ARG]]
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; CHECK-NEXT: [[TMP17:%.*]] = fadd fast float [[TMP16]], [[ARG]]
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; CHECK-NEXT: [[TMP18:%.*]] = fmul fast float [[TMP17]], [[ARG]]
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; CHECK-NEXT: [[TMP19:%.*]] = fadd fast float [[TMP18]], [[ARG]]
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; CHECK-NEXT: [[TMP20:%.*]] = fmul fast float [[TMP19]], [[ARG]]
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; CHECK-NEXT: [[TMP21:%.*]] = fadd fast float [[TMP20]], [[ARG]]
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; CHECK-NEXT: [[TMP22:%.*]] = fmul fast float [[TMP21]], [[ARG]]
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; CHECK-NEXT: [[TMP23:%.*]] = fadd fast float [[TMP22]], [[ARG]]
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; CHECK-NEXT: [[REASS_MUL166:%.*]] = fmul fast float [[ARG]], [[ARG]]
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; CHECK-NEXT: [[TMP24:%.*]] = fmul fast float [[REASS_MUL166]], [[TMP23]]
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; CHECK-NEXT: [[TMP25:%.*]] = fadd fast float [[TMP24]], [[ARG]]
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; CHECK-NEXT: [[TMP26:%.*]] = fmul fast float [[TMP25]], [[ARG]]
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; CHECK-NEXT: [[TMP27:%.*]] = fadd fast float [[TMP26]], [[ARG]]
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; CHECK-NEXT: [[TMP29:%.*]] = fmul fast float [[ARG]], [[ARG]]
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; CHECK-NEXT: [[TMP31:%.*]] = fmul fast float [[TMP29]], 0x3FEA2E8B80000000
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; CHECK-NEXT: [[TMP33:%.*]] = fmul fast float [[TMP31]], [[TMP27]]
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; CHECK-NEXT: [[TMP34:%.*]] = fadd fast float [[TMP33]], [[ARG]]
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; CHECK-NEXT: ret float [[TMP34]]
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;
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entry:
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%tmp = fmul fast float %arg, 0xBFE99999A0000000
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%tmp1 = fadd fast float %tmp, 1.000000e+00
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%tmp2 = fmul fast float %arg, 0xBFE99999A0000000
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%tmp3 = fadd fast float %tmp2, 1.000000e+00
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%reass.mul156 = fmul fast float %arg, %tmp1
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%reass.mul160 = fmul fast float %arg, %tmp1
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%tmp4 = fmul fast float %reass.mul160, %tmp3
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%tmp5 = fadd fast float %arg, %tmp4
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%tmp6 = fmul fast float %tmp5, %arg
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%tmp7 = fadd fast float %tmp6, %arg
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%tmp8 = fmul fast float %tmp7, %arg
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%tmp9 = fadd fast float %arg, %tmp8
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%tmp10 = fmul fast float %tmp9, %arg
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%tmp11 = fadd fast float %tmp10, %arg
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%tmp12 = fmul fast float %tmp11, %arg
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%tmp13 = fadd fast float %tmp12, %arg
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%tmp14 = fmul fast float %tmp13, %arg
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%tmp15 = fadd fast float %arg, %tmp14
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%tmp16 = fmul fast float %tmp15, %arg
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%tmp17 = fadd fast float %tmp16, %arg
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%tmp18 = fmul fast float %tmp17, %arg
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%tmp19 = fadd fast float %tmp18, %arg
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%tmp20 = fmul fast float %tmp19, %arg
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%tmp21 = fadd fast float %tmp20, %arg
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%tmp22 = fmul fast float %tmp21, %arg
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%tmp23 = fadd fast float %tmp22, %arg
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%reass.mul166 = fmul fast float %arg, %tmp23
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%tmp24 = fmul fast float %reass.mul166, %arg
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%tmp25 = fadd fast float %arg, %tmp24
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%tmp26 = fmul fast float %arg, %tmp25
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%tmp27 = fadd fast float %tmp26, %arg
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%tmp28 = fmul fast float %arg, %tmp27
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%tmp29 = fmul fast float %tmp28, %arg
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%tmp31 = fmul fast float %tmp29, 0x3FED1745C0000000
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%tmp33 = fmul fast float %tmp31, 0x3FECCCCCC0000000
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%tmp34 = fadd fast float %arg, %tmp33
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ret float %tmp34
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}
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