79 lines
4.2 KiB
LLVM
79 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -stop-after=irtranslator -o - %s | FileCheck %s
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@var = global i32 undef
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define i32 @test() {
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; CHECK-LABEL: name: test
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; CHECK: bb.1 (%ir-block.0):
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
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; CHECK-NEXT: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[C]](s32)
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[INTTOPTR]](p0), [[GV]]
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; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ICMP]](s1)
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; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[ZEXT]](s32)
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
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; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
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; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
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; CHECK-NEXT: $vgpr0 = COPY [[COPY3]](s32)
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; CHECK-NEXT: SI_RETURN implicit $vgpr0
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ret i32 bitcast (<1 x i32> <i32 extractelement (<1 x i32> bitcast (i32 zext (i1 icmp eq (i32* @var, i32* inttoptr (i32 -1 to i32*)) to i32) to <1 x i32>), i64 0)> to i32)
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}
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@gint = external addrspace(1) global i8, align 4
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; Technically we should be able to fold away the compare to true, but
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; currently constexpr doesn't understand null in non-0 address spaces.
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define amdgpu_kernel void @constantexpr_select_0() {
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; CHECK-LABEL: name: constantexpr_select_0
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; CHECK: bb.1 (%ir-block.0):
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p1) = G_GLOBAL_VALUE @gint
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; CHECK-NEXT: [[C:%[0-9]+]]:_(p1) = G_CONSTANT i64 0
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[GV]](p1), [[C]]
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[C2]]
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; CHECK-NEXT: [[DEF:%[0-9]+]]:_(p1) = G_IMPLICIT_DEF
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; CHECK-NEXT: G_STORE [[SELECT]](s32), [[DEF]](p1) :: (store (s32) into `i32 addrspace(1)* undef`, addrspace 1)
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; CHECK-NEXT: S_ENDPGM 0
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store i32 select (i1 icmp eq (i8 addrspace(1)* @gint, i8 addrspace(1)* null), i32 1, i32 0), i32 addrspace(1)* undef, align 4
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ret void
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}
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define amdgpu_kernel void @constantexpr_select_1() {
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; CHECK-LABEL: name: constantexpr_select_1
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; CHECK: bb.1 (%ir-block.0):
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1024
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; CHECK-NEXT: [[INTTOPTR:%[0-9]+]]:_(p1) = G_INTTOPTR [[C]](s64)
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p1) = G_GLOBAL_VALUE @gint
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[INTTOPTR]](p1), [[GV]]
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[C2]]
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; CHECK-NEXT: [[DEF:%[0-9]+]]:_(p1) = G_IMPLICIT_DEF
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; CHECK-NEXT: G_STORE [[SELECT]](s32), [[DEF]](p1) :: (store (s32) into `i32 addrspace(1)* undef`, addrspace 1)
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; CHECK-NEXT: S_ENDPGM 0
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store i32 select (i1 icmp eq (i8 addrspace(1)* @gint, i8 addrspace(1)* inttoptr (i64 1024 to i8 addrspace(1)*)), i32 1, i32 0), i32 addrspace(1)* undef, align 4
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ret void
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}
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@a = external global [2 x i32], align 4
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define i32 @test_fcmp_constexpr() {
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; CHECK-LABEL: name: test_fcmp_constexpr
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; CHECK: bb.1.entry:
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; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @a
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
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; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[GV]], [[C]](s64)
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; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var
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; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[PTR_ADD]](p0), [[GV1]]
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; CHECK-NEXT: [[UITOFP:%[0-9]+]]:_(s32) = G_UITOFP [[ICMP]](s1)
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 0.000000e+00
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; CHECK-NEXT: [[FCMP:%[0-9]+]]:_(s1) = G_FCMP floatpred(oeq), [[UITOFP]](s32), [[C1]]
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; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[FCMP]](s1)
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; CHECK-NEXT: $vgpr0 = COPY [[ZEXT]](s32)
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; CHECK-NEXT: SI_RETURN implicit $vgpr0
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entry:
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ret i32 zext (i1 fcmp oeq (float uitofp (i1 icmp eq (i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i64 0, i64 1), i32* @var) to float), float 0.000000e+00) to i32)
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}
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