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llvm-mirror/test/CodeGen/ARM/dyn-stackalloc.ll

69 lines
2.2 KiB
LLVM

; RUN: llc -mcpu=generic -mtriple=arm-eabi -verify-machineinstrs < %s | FileCheck %s
%struct.comment = type { i8**, i32*, i32, i8* }
%struct.info = type { i32, i32, i32, i32, i32, i32, i32, i8* }
%struct.state = type { i32, %struct.info*, float**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i8* }
@str215 = external global [2 x i8]
define void @t1(%struct.state* %v) {
; Make sure we generate:
; sub sp, sp, r1
; instead of:
; sub r1, sp, r1
; mov sp, r1
; CHECK-LABEL: @t1
; CHECK: bic [[REG1:r[0-9]+]],
; CHECK-NOT: sub r{{[0-9]+}}, sp, [[REG1]]
; CHECK: sub sp, sp, [[REG1]]
%tmp6 = load i32, i32* null
%tmp8 = alloca float, i32 %tmp6
store i32 1, i32* null
br i1 false, label %bb123.preheader, label %return
bb123.preheader: ; preds = %0
br i1 false, label %bb43, label %return
bb43: ; preds = %bb123.preheader
call fastcc void @f1(float* %tmp8, float* null, i32 0)
%tmp70 = load i32, i32* null
%tmp85 = getelementptr float, float* %tmp8, i32 0
call fastcc void @f2(float* null, float* null, float* %tmp85, i32 %tmp70)
ret void
return: ; preds = %bb123.preheader, %0
ret void
}
declare fastcc void @f1(float*, float*, i32)
declare fastcc void @f2(float*, float*, float*, i32)
define void @t2(%struct.comment* %vc, i8* %tag, i8* %contents) {
%tmp1 = call i32 @strlen(i8* %tag)
%tmp3 = call i32 @strlen(i8* %contents)
%tmp4 = add i32 %tmp1, 2
%tmp5 = add i32 %tmp4, %tmp3
%tmp6 = alloca i8, i32 %tmp5
%tmp9 = call i8* @strcpy(i8* %tmp6, i8* %tag)
%tmp6.len = call i32 @strlen(i8* %tmp6)
%tmp6.indexed = getelementptr i8, i8* %tmp6, i32 %tmp6.len
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp6.indexed, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @str215, i32 0, i32 0), i32 2, i32 1, i1 false)
%tmp15 = call i8* @strcat(i8* %tmp6, i8* %contents)
call fastcc void @comment_add(%struct.comment* %vc, i8* %tmp6)
ret void
}
declare i32 @strlen(i8*)
declare i8* @strcat(i8*, i8*)
declare fastcc void @comment_add(%struct.comment*, i8*)
declare i8* @strcpy(i8*, i8*)
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind