blob: a81ffa53b26ccd3ee17760427e2b5acc49cee4e5 [file] [log] [blame]
; RUN: llc < %s -mattr=-sse | FileCheck %s -check-prefix=NOSSE
; RUN: llc < %s | FileCheck %s -check-prefix=YESSSE
; PR3403
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
%struct.__va_list_tag = type { i32, i32, ptr, ptr }
; NOSSE-NOT: xmm
; YESSSE: xmm
define i32 @foo(float %a, ptr nocapture %fmt, ...) nounwind {
entry:
%ap = alloca [1 x %struct.__va_list_tag], align 8 ; <ptr> [#uses=4]
call void @llvm.va_start(ptr %ap)
%0 = getelementptr [1 x %struct.__va_list_tag], ptr %ap, i64 0, i64 0, i32 0 ; <ptr> [#uses=2]
%1 = load i32, ptr %0, align 8 ; <i32> [#uses=3]
%2 = icmp ult i32 %1, 48 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb3
bb: ; preds = %entry
%3 = getelementptr [1 x %struct.__va_list_tag], ptr %ap, i64 0, i64 0, i32 3 ; <ptr> [#uses=1]
%4 = load ptr, ptr %3, align 8 ; <ptr> [#uses=1]
%5 = inttoptr i32 %1 to ptr ; <ptr> [#uses=1]
%6 = ptrtoint ptr %5 to i64 ; <i64> [#uses=1]
%ctg2 = getelementptr i8, ptr %4, i64 %6 ; <ptr> [#uses=1]
%7 = add i32 %1, 8 ; <i32> [#uses=1]
store i32 %7, ptr %0, align 8
br label %bb4
bb3: ; preds = %entry
%8 = getelementptr [1 x %struct.__va_list_tag], ptr %ap, i64 0, i64 0, i32 2 ; <ptr> [#uses=2]
%9 = load ptr, ptr %8, align 8 ; <ptr> [#uses=2]
%10 = getelementptr i8, ptr %9, i64 8 ; <ptr> [#uses=1]
store ptr %10, ptr %8, align 8
br label %bb4
bb4: ; preds = %bb3, %bb
%addr.0.0 = phi ptr [ %ctg2, %bb ], [ %9, %bb3 ] ; <ptr> [#uses=1]
%11 = load i32, ptr %addr.0.0, align 4 ; <i32> [#uses=1]
call void @llvm.va_end(ptr %ap)
ret i32 %11
}
declare void @llvm.va_start(ptr) nounwind
declare void @llvm.va_end(ptr) nounwind