1; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=pic -mcpu=cortex-a8 | FileCheck %s 2 3; Do not move the umull above previous call which would require use of 4; more callee-saved registers and introduce copies. 5; rdar://9329627 6 7%struct.FF = type { i32 (i32*)*, i32 (i32*, i32*, i32, i32, i32, i32)*, i32 (i32, i32, i8*)*, void ()*, i32 (i32, i8*, i32*)*, i32 ()* } 8%struct.BD = type { %struct.BD*, i32, i32, i32, i32, i64, i32 (%struct.BD*, i8*, i64, i32)*, i32 (%struct.BD*, i8*, i32, i32)*, i32 (%struct.BD*, i8*, i64, i32)*, i32 (%struct.BD*, i8*, i32, i32)*, i32 (%struct.BD*, i64, i32)*, [16 x i8], i64, i64 } 9 10@FuncPtr = external hidden unnamed_addr global %struct.FF* 11@.str1 = external hidden unnamed_addr constant [6 x i8], align 4 12@G = external unnamed_addr global i32 13@.str2 = external hidden unnamed_addr constant [58 x i8], align 4 14@.str3 = external hidden unnamed_addr constant [58 x i8], align 4 15 16define i32 @test() nounwind optsize ssp { 17entry: 18; CHECK-LABEL: test: 19; CHECK: push 20; CHECK-NOT: push 21 %block_size = alloca i32, align 4 22 %block_count = alloca i32, align 4 23 %index_cache = alloca i32, align 4 24 store i32 0, i32* %index_cache, align 4 25 %tmp = load i32, i32* @G, align 4 26 %tmp1 = call i32 @bar(i32 0, i32 0, i32 %tmp) nounwind 27 switch i32 %tmp1, label %bb8 [ 28 i32 0, label %bb 29 i32 536870913, label %bb4 30 i32 536870914, label %bb6 31 ] 32 33bb: 34 %tmp2 = load i32, i32* @G, align 4 35 %tmp4 = icmp eq i32 %tmp2, 0 36 br i1 %tmp4, label %bb1, label %bb8 37 38bb1: 39; CHECK: %bb1 40; CHECK-NOT: umull 41; CHECK: bl _Get 42; CHECK: umull 43; CHECK: bl _foo 44 %tmp5 = load i32, i32* %block_size, align 4 45 %tmp6 = load i32, i32* %block_count, align 4 46 %tmp7 = call %struct.FF* @Get() nounwind 47 store %struct.FF* %tmp7, %struct.FF** @FuncPtr, align 4 48 %tmp10 = zext i32 %tmp6 to i64 49 %tmp11 = zext i32 %tmp5 to i64 50 %tmp12 = mul nsw i64 %tmp10, %tmp11 51 %tmp13 = call i32 @foo(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str1, i32 0, i32 0), i64 %tmp12, i32 %tmp5) nounwind 52 br label %bb8 53 54bb4: 55 ret i32 0 56 57bb6: 58 ret i32 1 59 60bb8: 61 ret i32 -1 62} 63 64declare i32 @printf(i8*, ...) 65 66declare %struct.FF* @Get() 67 68declare i32 @foo(i8*, i64, i32) 69 70declare i32 @bar(i32, i32, i32) 71