[msan][NFCI] Add test for llvm.x86.vcvtph2ps.{128,256} (#131244)

Forked from llvm/test/CodeGen/X86/f16c-intrinsics-upgrade.ll

Handled by visitFPExtInst, because the intrinsic is upgraded by LLVM to fpext:
- llvm.x86.vcvtph2ps.{128,256}

Author: thurstond

llvm/test/Instrumentation/MemorySanitizer/X86/f16c-intrinsics-upgrade.ll

@@ -0,0 +1,175 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes=msan -S | FileCheck %s
+;
+; Forked from llvm/test/CodeGen/X86/f16c-intrinsics-upgrade.ll
+;
+; Handled by reduction to fpext:
+; - llvm.x86.vcvtph2ps.{128,256}
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define <4 x float> @test_x86_vcvtph2ps_128(<8 x i16> %a0) #0 {
+; CHECK-LABEL: define <4 x float> @test_x86_vcvtph2ps_128(
+; CHECK-SAME: <8 x i16> [[A0:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = load <8 x i16>, ptr @__msan_param_tls, align 8
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[_MSPROP:%.*]] = shufflevector <8 x i16> [[TMP1]], <8 x i16> [[TMP1]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <8 x i16> [[A0]], <8 x i16> [[A0]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP3:%.*]] = bitcast <4 x i16> [[TMP2]] to <4 x half>
+; CHECK-NEXT:    [[TMP4:%.*]] = zext <4 x i16> [[_MSPROP]] to <4 x i32>
+; CHECK-NEXT:    [[CVTPH2PS:%.*]] = fpext <4 x half> [[TMP3]] to <4 x float>
+; CHECK-NEXT:    store <4 x i32> [[TMP4]], ptr @__msan_retval_tls, align 8
+; CHECK-NEXT:    ret <4 x float> [[CVTPH2PS]]
+;
+  %res = call <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16> %a0) ; <<4 x float>> [#uses=1]
+  ret <4 x float> %res
+}
+declare <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16>) nounwind readonly
+
+define <4 x float> @test_x86_vcvtph2ps_128_m(ptr nocapture %a) #0 {
+; CHECK-LABEL: define <4 x float> @test_x86_vcvtph2ps_128_m(
+; CHECK-SAME: ptr captures(none) [[A:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[_MSCMP:%.*]] = icmp ne i64 [[TMP1]], 0
+; CHECK-NEXT:    br i1 [[_MSCMP]], label %[[BB2:.*]], label %[[BB3:.*]], !prof [[PROF1:![0-9]+]]
+; CHECK:       [[BB2]]:
+; CHECK-NEXT:    call void @__msan_warning_noreturn() #[[ATTR4:[0-9]+]]
+; CHECK-NEXT:    unreachable
+; CHECK:       [[BB3]]:
+; CHECK-NEXT:    [[LOAD:%.*]] = load <8 x i16>, ptr [[A]], align 16
+; CHECK-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[A]] to i64
+; CHECK-NEXT:    [[TMP5:%.*]] = xor i64 [[TMP4]], 87960930222080
+; CHECK-NEXT:    [[TMP6:%.*]] = inttoptr i64 [[TMP5]] to ptr
+; CHECK-NEXT:    [[_MSLD:%.*]] = load <8 x i16>, ptr [[TMP6]], align 16
+; CHECK-NEXT:    [[_MSPROP:%.*]] = shufflevector <8 x i16> [[_MSLD]], <8 x i16> [[_MSLD]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP7:%.*]] = shufflevector <8 x i16> [[LOAD]], <8 x i16> [[LOAD]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP8:%.*]] = bitcast <4 x i16> [[TMP7]] to <4 x half>
+; CHECK-NEXT:    [[TMP9:%.*]] = zext <4 x i16> [[_MSPROP]] to <4 x i32>
+; CHECK-NEXT:    [[CVTPH2PS:%.*]] = fpext <4 x half> [[TMP8]] to <4 x float>
+; CHECK-NEXT:    store <4 x i32> [[TMP9]], ptr @__msan_retval_tls, align 8
+; CHECK-NEXT:    ret <4 x float> [[CVTPH2PS]]
+;
+  %load = load <8 x i16>, ptr %a
+  %res = call <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16> %load) ; <<4 x float>> [#uses=1]
+  ret <4 x float> %res
+}
+
+define <8 x float> @test_x86_vcvtph2ps_256(<8 x i16> %a0) #0 {
+; CHECK-LABEL: define <8 x float> @test_x86_vcvtph2ps_256(
+; CHECK-SAME: <8 x i16> [[A0:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = load <8 x i16>, ptr @__msan_param_tls, align 8
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[TMP2:%.*]] = bitcast <8 x i16> [[A0]] to <8 x half>
+; CHECK-NEXT:    [[TMP3:%.*]] = zext <8 x i16> [[TMP1]] to <8 x i32>
+; CHECK-NEXT:    [[CVTPH2PS:%.*]] = fpext <8 x half> [[TMP2]] to <8 x float>
+; CHECK-NEXT:    store <8 x i32> [[TMP3]], ptr @__msan_retval_tls, align 8
+; CHECK-NEXT:    ret <8 x float> [[CVTPH2PS]]
+;
+  %res = call <8 x float> @llvm.x86.vcvtph2ps.256(<8 x i16> %a0) ; <<8 x float>> [#uses=1]
+  ret <8 x float> %res
+}
+declare <8 x float> @llvm.x86.vcvtph2ps.256(<8 x i16>) nounwind readonly
+
+define <8 x float> @test_x86_vcvtph2ps_256_m(ptr nocapture %a) nounwind #0 {
+; CHECK-LABEL: define <8 x float> @test_x86_vcvtph2ps_256_m(
+; CHECK-SAME: ptr captures(none) [[A:%.*]]) #[[ATTR1:[0-9]+]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[_MSCMP:%.*]] = icmp ne i64 [[TMP1]], 0
+; CHECK-NEXT:    br i1 [[_MSCMP]], label %[[BB2:.*]], label %[[BB3:.*]], !prof [[PROF1]]
+; CHECK:       [[BB2]]:
+; CHECK-NEXT:    call void @__msan_warning_noreturn() #[[ATTR4]]
+; CHECK-NEXT:    unreachable
+; CHECK:       [[BB3]]:
+; CHECK-NEXT:    [[LOAD:%.*]] = load <8 x i16>, ptr [[A]], align 16
+; CHECK-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[A]] to i64
+; CHECK-NEXT:    [[TMP5:%.*]] = xor i64 [[TMP4]], 87960930222080
+; CHECK-NEXT:    [[TMP6:%.*]] = inttoptr i64 [[TMP5]] to ptr
+; CHECK-NEXT:    [[_MSLD:%.*]] = load <8 x i16>, ptr [[TMP6]], align 16
+; CHECK-NEXT:    [[TMP7:%.*]] = bitcast <8 x i16> [[LOAD]] to <8 x half>
+; CHECK-NEXT:    [[TMP8:%.*]] = zext <8 x i16> [[_MSLD]] to <8 x i32>
+; CHECK-NEXT:    [[CVTPH2PS:%.*]] = fpext <8 x half> [[TMP7]] to <8 x float>
+; CHECK-NEXT:    store <8 x i32> [[TMP8]], ptr @__msan_retval_tls, align 8
+; CHECK-NEXT:    ret <8 x float> [[CVTPH2PS]]
+;
+  %load = load <8 x i16>, ptr %a
+  %res = tail call <8 x float> @llvm.x86.vcvtph2ps.256(<8 x i16> %load)
+  ret <8 x float> %res
+}
+
+define <4 x float> @test_x86_vcvtph2ps_128_scalar(ptr %ptr) #0 {
+; CHECK-LABEL: define <4 x float> @test_x86_vcvtph2ps_128_scalar(
+; CHECK-SAME: ptr [[PTR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[_MSCMP:%.*]] = icmp ne i64 [[TMP1]], 0
+; CHECK-NEXT:    br i1 [[_MSCMP]], label %[[BB2:.*]], label %[[BB3:.*]], !prof [[PROF1]]
+; CHECK:       [[BB2]]:
+; CHECK-NEXT:    call void @__msan_warning_noreturn() #[[ATTR4]]
+; CHECK-NEXT:    unreachable
+; CHECK:       [[BB3]]:
+; CHECK-NEXT:    [[LOAD:%.*]] = load i64, ptr [[PTR]], align 8
+; CHECK-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[PTR]] to i64
+; CHECK-NEXT:    [[TMP5:%.*]] = xor i64 [[TMP4]], 87960930222080
+; CHECK-NEXT:    [[TMP6:%.*]] = inttoptr i64 [[TMP5]] to ptr
+; CHECK-NEXT:    [[_MSLD:%.*]] = load i64, ptr [[TMP6]], align 8
+; CHECK-NEXT:    [[_MSPROP:%.*]] = insertelement <2 x i64> splat (i64 -1), i64 [[_MSLD]], i32 0
+; CHECK-NEXT:    [[INS1:%.*]] = insertelement <2 x i64> poison, i64 [[LOAD]], i32 0
+; CHECK-NEXT:    [[_MSPROP1:%.*]] = insertelement <2 x i64> [[_MSPROP]], i64 0, i32 1
+; CHECK-NEXT:    [[INS2:%.*]] = insertelement <2 x i64> [[INS1]], i64 0, i32 1
+; CHECK-NEXT:    [[TMP7:%.*]] = bitcast <2 x i64> [[_MSPROP1]] to <8 x i16>
+; CHECK-NEXT:    [[BC:%.*]] = bitcast <2 x i64> [[INS2]] to <8 x i16>
+; CHECK-NEXT:    [[_MSPROP2:%.*]] = shufflevector <8 x i16> [[TMP7]], <8 x i16> [[TMP7]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <8 x i16> [[BC]], <8 x i16> [[BC]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP9:%.*]] = bitcast <4 x i16> [[TMP8]] to <4 x half>
+; CHECK-NEXT:    [[TMP10:%.*]] = zext <4 x i16> [[_MSPROP2]] to <4 x i32>
+; CHECK-NEXT:    [[CVTPH2PS:%.*]] = fpext <4 x half> [[TMP9]] to <4 x float>
+; CHECK-NEXT:    store <4 x i32> [[TMP10]], ptr @__msan_retval_tls, align 8
+; CHECK-NEXT:    ret <4 x float> [[CVTPH2PS]]
+;
+  %load = load i64, ptr %ptr
+  %ins1 = insertelement <2 x i64> poison, i64 %load, i32 0
+  %ins2 = insertelement <2 x i64> %ins1, i64 0, i32 1
+  %bc = bitcast <2 x i64> %ins2 to <8 x i16>
+  %res = tail call <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16> %bc) #2
+  ret <4 x float> %res
+}
+
+define <4 x float> @test_x86_vcvtph2ps_128_scalar2(ptr %ptr) #0 {
+; CHECK-LABEL: define <4 x float> @test_x86_vcvtph2ps_128_scalar2(
+; CHECK-SAME: ptr [[PTR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
+; CHECK-NEXT:    call void @llvm.donothing()
+; CHECK-NEXT:    [[_MSCMP:%.*]] = icmp ne i64 [[TMP1]], 0
+; CHECK-NEXT:    br i1 [[_MSCMP]], label %[[BB2:.*]], label %[[BB3:.*]], !prof [[PROF1]]
+; CHECK:       [[BB2]]:
+; CHECK-NEXT:    call void @__msan_warning_noreturn() #[[ATTR4]]
+; CHECK-NEXT:    unreachable
+; CHECK:       [[BB3]]:
+; CHECK-NEXT:    [[LOAD:%.*]] = load i64, ptr [[PTR]], align 8
+; CHECK-NEXT:    [[TMP4:%.*]] = ptrtoint ptr [[PTR]] to i64
+; CHECK-NEXT:    [[TMP5:%.*]] = xor i64 [[TMP4]], 87960930222080
+; CHECK-NEXT:    [[TMP6:%.*]] = inttoptr i64 [[TMP5]] to ptr
+; CHECK-NEXT:    [[_MSLD:%.*]] = load i64, ptr [[TMP6]], align 8
+; CHECK-NEXT:    [[_MSPROP:%.*]] = insertelement <2 x i64> splat (i64 -1), i64 [[_MSLD]], i32 0
+; CHECK-NEXT:    [[INS:%.*]] = insertelement <2 x i64> poison, i64 [[LOAD]], i32 0
+; CHECK-NEXT:    [[TMP7:%.*]] = bitcast <2 x i64> [[_MSPROP]] to <8 x i16>
+; CHECK-NEXT:    [[BC:%.*]] = bitcast <2 x i64> [[INS]] to <8 x i16>
+; CHECK-NEXT:    [[_MSPROP1:%.*]] = shufflevector <8 x i16> [[TMP7]], <8 x i16> [[TMP7]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <8 x i16> [[BC]], <8 x i16> [[BC]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+; CHECK-NEXT:    [[TMP9:%.*]] = bitcast <4 x i16> [[TMP8]] to <4 x half>
+; CHECK-NEXT:    [[TMP10:%.*]] = zext <4 x i16> [[_MSPROP1]] to <4 x i32>
+; CHECK-NEXT:    [[CVTPH2PS:%.*]] = fpext <4 x half> [[TMP9]] to <4 x float>
+; CHECK-NEXT:    store <4 x i32> [[TMP10]], ptr @__msan_retval_tls, align 8
+; CHECK-NEXT:    ret <4 x float> [[CVTPH2PS]]
+;
+  %load = load i64, ptr %ptr
+  %ins = insertelement <2 x i64> poison, i64 %load, i32 0
+  %bc = bitcast <2 x i64> %ins to <8 x i16>
+  %res = tail call <4 x float> @llvm.x86.vcvtph2ps.128(<8 x i16> %bc)
+  ret <4 x float> %res
+}
+
+attributes #0 = { sanitize_memory }