Files
clang-p2996/llvm/test/Transforms/ArgumentPromotion/byval.ll
Eli Friedman 4f04db4b54 AllocaInst should store Align instead of MaybeAlign.
Along the lines of D77454 and D79968.  Unlike loads and stores, the
default alignment is getPrefTypeAlign, to match the existing handling in
various places, including SelectionDAG and InstCombine.

Differential Revision: https://reviews.llvm.org/D80044
2020-05-16 14:53:16 -07:00

89 lines
3.9 KiB
LLVM

; 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
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
%struct.ss = type { i32, i64 }
define internal void @f(%struct.ss* byval %b) nounwind {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 4
; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 4
; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1
; CHECK-NEXT: store i64 [[B_1]], i64* [[DOT1]], align 4
; 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: 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
ret void
}
define internal void @g(%struct.ss* byval align 32 %b) nounwind {
; CHECK-LABEL: define {{[^@]+}}@g
; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 32
; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 4
; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1
; CHECK-NEXT: store i64 [[B_1]], i64* [[DOT1]], align 4
; 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: 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
ret void
}
define i32 @main() nounwind {
; CHECK-LABEL: define {{[^@]+}}@main()
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 4
; 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]], align 4
; CHECK-NEXT: [[S_1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT: [[S_1_VAL:%.*]] = load i64, i64* [[S_1]], align 4
; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]])
; CHECK-NEXT: [[S_01:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT: [[S_01_VAL:%.*]] = load i32, i32* [[S_01]], align 4
; CHECK-NEXT: [[S_12:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT: [[S_12_VAL:%.*]] = load i64, i64* [[S_12]], align 4
; CHECK-NEXT: call void @g(i32 [[S_01_VAL]], i64 [[S_12_VAL]])
; 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) nounwind
call void @g(%struct.ss* byval %S) nounwind
ret i32 0
}