xref: /llvm-project/llvm/test/Transforms/SROA/std-clamp.ll (revision 4f7e5d22060e8a89237ffb93c3e7be6e92fee8fe)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
3; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
4
5target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
6
7define float @_Z8stdclampfff(float %x, float %lo, float %hi) {
8; CHECK-LABEL: @_Z8stdclampfff(
9; CHECK-NEXT:  bb:
10; CHECK-NEXT:    [[I4:%.*]] = alloca float, align 4
11; CHECK-NEXT:    store float [[HI:%.*]], ptr [[I4]], align 4
12; CHECK-NEXT:    [[I5:%.*]] = fcmp fast olt float [[X:%.*]], [[LO:%.*]]
13; CHECK-NEXT:    [[I6:%.*]] = fcmp fast olt float [[HI]], [[X]]
14; CHECK-NEXT:    [[I9_SROA_SPECULATE_LOAD_FALSE_SROA_SPECULATE_LOAD_TRUE:%.*]] = load float, ptr [[I4]], align 4
15; CHECK-NEXT:    [[I9_SROA_SPECULATE_LOAD_FALSE_SROA_SPECULATED:%.*]] = select i1 [[I6]], float [[I9_SROA_SPECULATE_LOAD_FALSE_SROA_SPECULATE_LOAD_TRUE]], float [[X]]
16; CHECK-NEXT:    [[I9_SROA_SPECULATED:%.*]] = select i1 [[I5]], float [[LO]], float [[I9_SROA_SPECULATE_LOAD_FALSE_SROA_SPECULATED]]
17; CHECK-NEXT:    ret float [[I9_SROA_SPECULATED]]
18;
19bb:
20  %i = alloca float, align 4
21  %i3 = alloca float, align 4
22  %i4 = alloca float, align 4
23  store float %x, ptr %i, align 4
24  store float %lo, ptr %i3, align 4
25  store float %hi, ptr %i4, align 4
26  %i5 = fcmp fast olt float %x, %lo
27  %i6 = fcmp fast olt float %hi, %x
28  %i7 = select i1 %i6, ptr %i4, ptr %i
29  %i8 = select i1 %i5, ptr %i3, ptr %i7
30  %i9 = load float, ptr %i8, align 4
31  ret float %i9
32}
33;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
34; CHECK-MODIFY-CFG: {{.*}}
35; CHECK-PRESERVE-CFG: {{.*}}
36