byval-2.ll
2.56 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt < %s -argpromotion -S | FileCheck %s
; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
; Arg promotion eliminates the struct argument.
; FIXME: We should eliminate the i32* argument.
%struct.ss = type { i32, i64 }
define internal void @f(%struct.ss* byval %b, i32* byval %X) nounwind {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]], i32* byval [[X:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]]
; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]]
; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1
; CHECK-NEXT: store i64 [[B_1]], i64* [[DOT1]]
; CHECK-NEXT: [[TMP:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP1]], 1
; CHECK-NEXT: store i32 [[TMP2]], i32* [[TMP]], align 4
; CHECK-NEXT: store i32 0, i32* [[X]]
; CHECK-NEXT: ret void
;
entry:
%tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
%tmp1 = load i32, i32* %tmp, align 4
%tmp2 = add i32 %tmp1, 1
store i32 %tmp2, i32* %tmp, align 4
store i32 0, i32* %X
ret void
}
define i32 @test(i32* %X) {
; CHECK-LABEL: define {{[^@]+}}@test
; CHECK-SAME: (i32* [[X:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT: store i32 1, i32* [[TMP1]], align 8
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT: store i64 2, i64* [[TMP4]], align 4
; CHECK-NEXT: [[S_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT: [[S_0_VAL:%.*]] = load i32, i32* [[S_0]]
; CHECK-NEXT: [[S_1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT: [[S_1_VAL:%.*]] = load i64, i64* [[S_1]]
; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]], i32* byval [[X]])
; CHECK-NEXT: ret i32 0
;
entry:
%S = alloca %struct.ss
%tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S, i32* byval %X)
ret i32 0
}