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; RUN: llc < %s -mtriple=armv7-none-linux-gnueabi -pre-RA-sched=source | FileCheck %s
; Test that we correctly align elements when using va_arg
; CHECK: test1:
; CHECK-NOT: bfc
; CHECK: add [[REG:(r[0-9]+)|(lr)]], {{(r[0-9]+)|(lr)}}, #7
; CHECK: bfc [[REG]], #0, #3
; CHECK-NOT: bfc
define i64 @test1(i32 %i, ...) nounwind optsize {
entry:
%g = alloca i8*, align 4
%g1 = bitcast i8** %g to i8*
call void @llvm.va_start(i8* %g1)
%0 = va_arg i8** %g, i64
call void @llvm.va_end(i8* %g1)
ret i64 %0
}
; CHECK: test2:
; CHECK-NOT: bfc
; CHECK: add [[REG:(r[0-9]+)|(lr)]], {{(r[0-9]+)|(lr)}}, #7
; CHECK: bfc [[REG]], #0, #3
; CHECK-NOT: bfc
; CHECK: bx lr
define double @test2(i32 %a, i32 %b, ...) nounwind optsize {
entry:
%ap = alloca i8*, align 4 ; <i8**> [#uses=3]
%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=2]
call void @llvm.va_start(i8* %ap1)
%0 = va_arg i8** %ap, i32 ; <i32> [#uses=0]
store i32 %0, i32* undef
%1 = va_arg i8** %ap, double ; <double> [#uses=1]
call void @llvm.va_end(i8* %ap1)
ret double %1
}
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
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