74 lines
2.7 KiB
LLVM
74 lines
2.7 KiB
LLVM
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; RUN: opt -S -licm < %s | FileCheck %s
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; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' -S %s | FileCheck %s
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; RUN: opt -S -licm -enable-mssa-loop-dependency=true -verify-memoryssa < %s | FileCheck %s
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target datalayout = "E-m:e-p:32:32-i8:8:8-i16:16:16-i64:32:32-f64:32:32-v64:32:32-v128:32:32-a0:0:32-n32"
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; This test verifies that ceil, floor, nearbyint, trunc, rint, round,
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; copysign, minnum, maxnum, minimum, maximum, and fabs intrinsics are
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; considered safe to speculate.
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; CHECK-LABEL: @test
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; CHECK: call float @llvm.ceil.f32
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; CHECK: call float @llvm.floor.f32
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; CHECK: call float @llvm.nearbyint.f32
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; CHECK: call float @llvm.rint.f32
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; CHECK: call float @llvm.round.f32
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; CHECK: call float @llvm.trunc.f32
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; CHECK: call float @llvm.fabs.f32
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; CHECK: call float @llvm.copysign.f32
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; CHECK: call float @llvm.minnum.f32
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; CHECK: call float @llvm.maxnum.f32
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; CHECK: call float @llvm.powi.f32
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; CHECK: call float @llvm.roundeven.f32
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; CHECK: for.body:
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define void @test(float %arg1, float %arg2) {
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entry:
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br label %for.head
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for.head:
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%IND = phi i32 [ 0, %entry ], [ %IND.new, %for.body ]
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%CMP = icmp slt i32 %IND, 10
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br i1 %CMP, label %for.body, label %exit
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for.body:
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%tmp.1 = call float @llvm.ceil.f32(float %arg1)
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%tmp.2 = call float @llvm.floor.f32(float %tmp.1)
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%tmp.3 = call float @llvm.nearbyint.f32(float %tmp.2)
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%tmp.4 = call float @llvm.rint.f32(float %tmp.3)
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%tmp.5 = call float @llvm.round.f32(float %tmp.4)
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%tmp.6 = call float @llvm.trunc.f32(float %tmp.5)
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%tmp.7 = call float @llvm.fabs.f32(float %tmp.6)
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%tmp.8 = call float @llvm.copysign.f32(float %tmp.7, float %arg2)
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%tmp.9 = call float @llvm.minnum.f32(float %tmp.8, float %arg2)
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%tmp.10 = call float @llvm.maxnum.f32(float %tmp.9, float %arg2)
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%tmp.11 = call float @llvm.minimum.f32(float %tmp.10, float %arg2)
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%tmp.12 = call float @llvm.maximum.f32(float %tmp.11, float %arg2)
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%tmp.13 = call float @llvm.powi.f32(float %tmp.12, i32 4)
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%tmp.14 = call float @llvm.roundeven.f32(float %tmp.13)
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call void @consume(float %tmp.14)
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%IND.new = add i32 %IND, 1
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br label %for.head
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exit:
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ret void
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}
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declare void @consume(float)
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declare float @llvm.ceil.f32(float)
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declare float @llvm.floor.f32(float)
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declare float @llvm.nearbyint.f32(float)
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declare float @llvm.rint.f32(float)
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declare float @llvm.round.f32(float)
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declare float @llvm.trunc.f32(float)
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declare float @llvm.fabs.f32(float)
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declare float @llvm.copysign.f32(float, float)
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declare float @llvm.minnum.f32(float, float)
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declare float @llvm.maxnum.f32(float, float)
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declare float @llvm.minimum.f32(float, float)
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declare float @llvm.maximum.f32(float, float)
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declare float @llvm.powi.f32(float, i32)
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declare float @llvm.roundeven.f32(float)
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