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TheRock/compiler/amd-llvm/llvm/test/Transforms/IROutliner/outline-memset.ll
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53 lines
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LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
; This test checks that we successfully outline identical memset instructions.
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i32, i1)
define i64 @function1(i64 %x, i64 %z, i64 %n) {
entry:
%pool = alloca [59 x i64], align 4
call void @llvm.memset.p0.i64(ptr nonnull %pool, i8 0, i64 236, i32 4, i1 false)
%cmp3 = icmp eq i64 %n, 0
%a = add i64 %x, %z
%c = add i64 %x, %z
ret i64 0
}
define i64 @function2(i64 %x, i64 %z, i64 %n) {
entry:
%pool = alloca [59 x i64], align 4
call void @llvm.memset.p0.i64(ptr nonnull %pool, i8 0, i64 236, i32 4, i1 false)
%cmp3 = icmp eq i64 %n, 0
%a = add i64 %x, %z
%c = add i64 %x, %z
ret i64 0
}
; CHECK-LABEL: @function1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[POOL:%.*]] = alloca [59 x i64], align 4
; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[POOL]], i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
; CHECK-NEXT: ret i64 0
;
;
; CHECK-LABEL: @function2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[POOL:%.*]] = alloca [59 x i64], align 4
; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[POOL]], i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
; CHECK-NEXT: ret i64 0
;
;
; CHECK: define internal void @outlined_ir_func_0(
; CHECK-NEXT: newFuncRoot:
; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]]
; CHECK: entry_to_outline:
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr nonnull align 4 [[TMP0:%.*]], i8 0, i64 236, i1 false)
; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i64 [[TMP1:%.*]], 0
; CHECK-NEXT: [[A:%.*]] = add i64 [[TMP2:%.*]], [[TMP3:%.*]]
; CHECK-NEXT: [[C:%.*]] = add i64 [[TMP2]], [[TMP3]]
; CHECK-NEXT: br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]]
; CHECK: entry_after_outline.exitStub:
; CHECK-NEXT: ret void
;