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[NFC][SROA] Add C++'s `std::clamp()` testcase from PR47271/PR49909

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Roman Lebedev 2021-04-10 00:26:18 +03:00
parent 7df30e77d4
commit 99d6e31e0b
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1 changed files with 35 additions and 0 deletions
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llvm/test/Transforms/SROA/std-clamp.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -sroa -S | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
define float @_Z8stdclampfff(float %x, float %lo, float %hi) {
; CHECK-LABEL: @_Z8stdclampfff(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[I:%.*]] = alloca float, align 4
; CHECK-NEXT: [[I3:%.*]] = alloca float, align 4
; CHECK-NEXT: [[I4:%.*]] = alloca float, align 4
; CHECK-NEXT: store float [[X:%.*]], float* [[I]], align 4
; CHECK-NEXT: store float [[LO:%.*]], float* [[I3]], align 4
; CHECK-NEXT: store float [[HI:%.*]], float* [[I4]], align 4
; CHECK-NEXT: [[I5:%.*]] = fcmp fast olt float [[X]], [[LO]]
; CHECK-NEXT: [[I6:%.*]] = fcmp fast olt float [[HI]], [[X]]
; CHECK-NEXT: [[I7:%.*]] = select i1 [[I6]], float* [[I4]], float* [[I]]
; CHECK-NEXT: [[I8:%.*]] = select i1 [[I5]], float* [[I3]], float* [[I7]]
; CHECK-NEXT: [[I9:%.*]] = load float, float* [[I8]], align 4
; CHECK-NEXT: ret float [[I9]]
;
bb:
%i = alloca float, align 4
%i3 = alloca float, align 4
%i4 = alloca float, align 4
store float %x, float* %i, align 4
store float %lo, float* %i3, align 4
store float %hi, float* %i4, align 4
%i5 = fcmp fast olt float %x, %lo
%i6 = fcmp fast olt float %hi, %x
%i7 = select i1 %i6, float* %i4, float* %i
%i8 = select i1 %i5, float* %i3, float* %i7
%i9 = load float, float* %i8, align 4
ret float %i9
}