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TheRock/compiler/amd-llvm/llvm/test/Transforms/IROutliner/illegal-callbr.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

65 lines
1.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
; This test checks that we do not outline callbr instruction since as we do not
; outline any control flow change instructions.
define i32 @function1(i32 %a, i32 %b) {
; CHECK-LABEL: @function1(
; CHECK-NEXT: bb0:
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[A:%.*]], 4
; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B:%.*]])
; CHECK-NEXT: callbr void asm "xorl $0, $0
; CHECK-NEXT: to label [[NORMAL:%.*]] [label %fail1]
; CHECK: normal:
; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B]])
; CHECK-NEXT: ret i32 0
; CHECK: fail1:
; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B]])
; CHECK-NEXT: ret i32 0
;
bb0:
%0 = add i32 %a, 4
%1 = add i32 %b, 1
%2 = add i32 %b, 1
callbr void asm "xorl $0, $0; jmp ${1:l}", "r,!i,~{dirflag},~{fpsr},~{flags}"(i32 %0) to label %normal [label %fail1]
normal:
%3 = add i32 %b, 1
%4 = add i32 %b, 1
ret i32 0
fail1:
%5 = add i32 %b, 1
%6 = add i32 %b, 1
ret i32 0
}
define i32 @function2(i32 %a, i32 %b) {
; CHECK-LABEL: @function2(
; CHECK-NEXT: bb0:
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[A:%.*]], 4
; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B:%.*]])
; CHECK-NEXT: callbr void asm "xorl $0, $0
; CHECK-NEXT: to label [[NORMAL:%.*]] [label %fail1]
; CHECK: normal:
; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B]])
; CHECK-NEXT: ret i32 0
; CHECK: fail1:
; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B]])
; CHECK-NEXT: ret i32 0
;
bb0:
%0 = add i32 %a, 4
%1 = add i32 %b, 1
%2 = add i32 %b, 1
callbr void asm "xorl $0, $0; jmp ${1:l}", "r,!i,~{dirflag},~{fpsr},~{flags}"(i32 %0) to label %normal [label %fail1]
normal:
%3 = add i32 %b, 1
%4 = add i32 %b, 1
ret i32 0
fail1:
%5 = add i32 %b, 1
%6 = add i32 %b, 1
ret i32 0
}