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39 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
; RUN: opt -passes=globalopt -S < %s | FileCheck %s
define i32 @main(ptr %a) {
; CHECK-LABEL: define {{[^@]+}}@main
; CHECK-SAME: (ptr [[A:%.*]]) local_unnamed_addr {
; CHECK-NEXT: [[ARGMEM:%.*]] = alloca inalloca <{ ptr, i32 }>, align 4
; CHECK-NEXT: store ptr [[A]], ptr [[ARGMEM]], align 8
; CHECK-NEXT: [[G0:%.*]] = getelementptr inbounds <{ ptr, i32 }>, ptr [[ARGMEM]], i32 0, i32 1
; CHECK-NEXT: store i32 5, ptr [[G0]], align 4
; CHECK-NEXT: [[CALL3:%.*]] = call i32 (ptr, ...) @i(ptr inalloca(ptr) [[ARGMEM]])
; CHECK-NEXT: ret i32 [[CALL3]]
;
%argmem = alloca inalloca <{ ptr, i32 }>, align 4
store ptr %a, ptr %argmem, align 8
%g0 = getelementptr inbounds <{ ptr, i32 }>, ptr %argmem, i32 0, i32 1
store i32 5, ptr %g0, align 4
%call3 = call i32 (ptr, ...) @i(ptr inalloca(ptr) %argmem)
ret i32 %call3
}
define internal i32 @i(ptr inalloca(ptr) %a, ...) {
; CHECK-LABEL: define {{[^@]+}}@i
; CHECK-SAME: (ptr inalloca(ptr) [[A:%.*]], ...) unnamed_addr {
; CHECK-NEXT: [[AP:%.*]] = alloca ptr, align 4
; CHECK-NEXT: call void @llvm.va_start.p0(ptr [[AP]])
; CHECK-NEXT: [[ARGP_CUR:%.*]] = load ptr, ptr [[AP]], align 4
; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[ARGP_CUR]], align 4
; CHECK-NEXT: ret i32 [[L]]
;
%ap = alloca ptr, align 4
call void @llvm.va_start(ptr %ap)
%argp.cur = load ptr, ptr %ap, align 4
%l = load i32, ptr %argp.cur, align 4
ret i32 %l
}
declare void @llvm.va_start(ptr)