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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/X86/x86-maxmin.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt < %s -passes=instcombine -mtriple=x86_64-unknown-unknown -S | FileCheck %s
declare <4 x float> @llvm.x86.sse.max.ps(<4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.sse.min.ps(<4 x float>, <4 x float>)
declare <2 x double> @llvm.x86.sse2.max.pd(<2 x double>, <2 x double>)
declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>)
declare <8 x float> @llvm.x86.avx.max.ps.256(<8 x float>, <8 x float>)
declare <8 x float> @llvm.x86.avx.min.ps.256(<8 x float>, <8 x float>)
declare <32 x half> @llvm.x86.avx512fp16.max.ph.512(<32 x half>, <32 x half>, i32)
declare <32 x half> @llvm.x86.avx512fp16.min.ph.512(<32 x half>, <32 x half>, i32)
define <4 x float> @test_sse_max_ps(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: define <4 x float> @test_sse_max_ps(
; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <4 x i32> [[X]] to <4 x float>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <4 x i32> [[Y]], splat (i32 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <4 x i1> [[CMP]], <4 x float> splat (float 1.000000e+00), <4 x float> splat (float -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <4 x float> @llvm.maxnum.v4f32(<4 x float> [[CVT]], <4 x float> [[SEL]])
; CHECK-NEXT: ret <4 x float> [[MAX]]
;
entry:
%cvt = sitofp <4 x i32> %x to <4 x float>
%cmp = icmp sgt <4 x i32> %y, splat (i32 -1)
%sel = select <4 x i1> %cmp, <4 x float> splat (float 1.000000e+00), <4 x float> splat (float -1.000000e+00)
%max = tail call noundef <4 x float> @llvm.x86.sse.max.ps(<4 x float> %cvt, <4 x float> %sel)
ret <4 x float> %max
}
define <4 x float> @test_sse_min_ps(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: define <4 x float> @test_sse_min_ps(
; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <4 x i32> [[X]] to <4 x float>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <4 x i32> [[Y]], splat (i32 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <4 x i1> [[CMP]], <4 x float> splat (float 1.000000e+00), <4 x float> splat (float -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <4 x float> @llvm.minnum.v4f32(<4 x float> [[CVT]], <4 x float> [[SEL]])
; CHECK-NEXT: ret <4 x float> [[MAX]]
;
entry:
%cvt = sitofp <4 x i32> %x to <4 x float>
%cmp = icmp sgt <4 x i32> %y, splat (i32 -1)
%sel = select <4 x i1> %cmp, <4 x float> splat (float 1.000000e+00), <4 x float> splat (float -1.000000e+00)
%max = tail call noundef <4 x float> @llvm.x86.sse.min.ps(<4 x float> %cvt, <4 x float> %sel)
ret <4 x float> %max
}
define <2 x double> @test_sse2_max_pd(<2 x i64> %x, <2 x i64> %y) {
; CHECK-LABEL: define <2 x double> @test_sse2_max_pd(
; CHECK-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <2 x i64> [[X]] to <2 x double>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i64> [[Y]], splat (i64 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x double> splat (double 1.000000e+00), <2 x double> splat (double -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <2 x double> @llvm.maxnum.v2f64(<2 x double> [[CVT]], <2 x double> [[SEL]])
; CHECK-NEXT: ret <2 x double> [[MAX]]
;
entry:
%cvt = sitofp <2 x i64> %x to <2 x double>
%cmp = icmp sgt <2 x i64> %y, splat (i64 -1)
%sel = select <2 x i1> %cmp, <2 x double> splat (double 1.000000e+00), <2 x double> splat (double -1.000000e+00)
%max = tail call noundef <2 x double> @llvm.x86.sse2.max.pd(<2 x double> %cvt, <2 x double> %sel)
ret <2 x double> %max
}
define <2 x double> @test_sse2_min_pd(<2 x i64> %x, <2 x i64> %y) {
; CHECK-LABEL: define <2 x double> @test_sse2_min_pd(
; CHECK-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <2 x i64> [[X]] to <2 x double>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i64> [[Y]], splat (i64 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x double> splat (double 1.000000e+00), <2 x double> splat (double -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <2 x double> @llvm.minnum.v2f64(<2 x double> [[CVT]], <2 x double> [[SEL]])
; CHECK-NEXT: ret <2 x double> [[MAX]]
;
entry:
%cvt = sitofp <2 x i64> %x to <2 x double>
%cmp = icmp sgt <2 x i64> %y, splat (i64 -1)
%sel = select <2 x i1> %cmp, <2 x double> splat (double 1.000000e+00), <2 x double> splat (double -1.000000e+00)
%max = tail call noundef <2 x double> @llvm.x86.sse2.min.pd(<2 x double> %cvt, <2 x double> %sel)
ret <2 x double> %max
}
define <8 x float> @test_avx_max_ps(<8 x i32> %x, <8 x i32> %y) {
; CHECK-LABEL: define <8 x float> @test_avx_max_ps(
; CHECK-SAME: <8 x i32> [[X:%.*]], <8 x i32> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <8 x i32> [[X]] to <8 x float>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <8 x i32> [[Y]], splat (i32 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <8 x i1> [[CMP]], <8 x float> splat (float 1.000000e+00), <8 x float> splat (float -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <8 x float> @llvm.maxnum.v8f32(<8 x float> [[CVT]], <8 x float> [[SEL]])
; CHECK-NEXT: ret <8 x float> [[MAX]]
;
entry:
%cvt = sitofp <8 x i32> %x to <8 x float>
%cmp = icmp sgt <8 x i32> %y, splat (i32 -1)
%sel = select <8 x i1> %cmp, <8 x float> splat (float 1.000000e+00), <8 x float> splat (float -1.000000e+00)
%max = tail call noundef <8 x float> @llvm.x86.avx.max.ps.256(<8 x float> %cvt, <8 x float> %sel)
ret <8 x float> %max
}
define <8 x float> @test_avx_min_ps(<8 x i32> %x, <8 x i32> %y) {
; CHECK-LABEL: define <8 x float> @test_avx_min_ps(
; CHECK-SAME: <8 x i32> [[X:%.*]], <8 x i32> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <8 x i32> [[X]] to <8 x float>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <8 x i32> [[Y]], splat (i32 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <8 x i1> [[CMP]], <8 x float> splat (float 1.000000e+00), <8 x float> splat (float -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <8 x float> @llvm.minnum.v8f32(<8 x float> [[CVT]], <8 x float> [[SEL]])
; CHECK-NEXT: ret <8 x float> [[MAX]]
;
entry:
%cvt = sitofp <8 x i32> %x to <8 x float>
%cmp = icmp sgt <8 x i32> %y, splat (i32 -1)
%sel = select <8 x i1> %cmp, <8 x float> splat (float 1.000000e+00), <8 x float> splat (float -1.000000e+00)
%max = tail call noundef <8 x float> @llvm.x86.avx.min.ps.256(<8 x float> %cvt, <8 x float> %sel)
ret <8 x float> %max
}
define <32 x half> @test_avx512fp16_max_ph(<32 x i16> %x, <32 x i16> %y) {
; CHECK-LABEL: define <32 x half> @test_avx512fp16_max_ph(
; CHECK-SAME: <32 x i16> [[X:%.*]], <32 x i16> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <32 x i16> [[X]] to <32 x half>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <32 x i16> [[Y]], splat (i16 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <32 x i1> [[CMP]], <32 x half> splat (half 1.000000e+00), <32 x half> splat (half -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <32 x half> @llvm.maxnum.v32f16(<32 x half> [[CVT]], <32 x half> [[SEL]])
; CHECK-NEXT: ret <32 x half> [[MAX]]
;
entry:
%cvt = sitofp <32 x i16> %x to <32 x half>
%cmp = icmp sgt <32 x i16> %y, splat (i16 -1)
%sel = select <32 x i1> %cmp, <32 x half> splat (half 1.000000e+00), <32 x half> splat (half -1.000000e+00)
%max = tail call noundef <32 x half> @llvm.x86.avx512fp16.max.ph.512(<32 x half> %cvt, <32 x half> %sel, i32 4)
ret <32 x half> %max
}
define <32 x half> @test_avx512fp16_min_ph(<32 x i16> %x, <32 x i16> %y) {
; CHECK-LABEL: define <32 x half> @test_avx512fp16_min_ph(
; CHECK-SAME: <32 x i16> [[X:%.*]], <32 x i16> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <32 x i16> [[X]] to <32 x half>
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <32 x i16> [[Y]], splat (i16 -1)
; CHECK-NEXT: [[SEL:%.*]] = select <32 x i1> [[CMP]], <32 x half> splat (half 1.000000e+00), <32 x half> splat (half -1.000000e+00)
; CHECK-NEXT: [[MAX:%.*]] = call <32 x half> @llvm.minnum.v32f16(<32 x half> [[CVT]], <32 x half> [[SEL]])
; CHECK-NEXT: ret <32 x half> [[MAX]]
;
entry:
%cvt = sitofp <32 x i16> %x to <32 x half>
%cmp = icmp sgt <32 x i16> %y, splat (i16 -1)
%sel = select <32 x i1> %cmp, <32 x half> splat (half 1.000000e+00), <32 x half> splat (half -1.000000e+00)
%max = tail call noundef <32 x half> @llvm.x86.avx512fp16.min.ph.512(<32 x half> %cvt, <32 x half> %sel, i32 4)
ret <32 x half> %max
}
; Negative Test Cases (Operands Could be NaN)
define <4 x float> @test_sse_max_ps_unknown(<4 x i32> %x, <4 x float> %y) {
; CHECK-LABEL: define <4 x float> @test_sse_max_ps_unknown(
; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x float> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CVT:%.*]] = sitofp <4 x i32> [[X]] to <4 x float>
; CHECK-NEXT: [[MAX:%.*]] = tail call noundef <4 x float> @llvm.x86.sse.max.ps(<4 x float> [[CVT]], <4 x float> [[Y]])
; CHECK-NEXT: ret <4 x float> [[MAX]]
;
entry:
%cvt = sitofp <4 x i32> %x to <4 x float>
%max = tail call noundef <4 x float> @llvm.x86.sse.max.ps(<4 x float> %cvt, <4 x float> %y)
ret <4 x float> %max
}
define <4 x float> @test_sse_max_ps_both_unknown(<4 x float> %x, <4 x float> %y) {
; CHECK-LABEL: define <4 x float> @test_sse_max_ps_both_unknown(
; CHECK-SAME: <4 x float> [[X:%.*]], <4 x float> [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[MAX:%.*]] = tail call noundef <4 x float> @llvm.x86.sse.max.ps(<4 x float> [[X]], <4 x float> [[Y]])
; CHECK-NEXT: ret <4 x float> [[MAX]]
;
entry:
%max = tail call noundef <4 x float> @llvm.x86.sse.max.ps(<4 x float> %x, <4 x float> %y)
ret <4 x float> %max
}
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