Hal Finkel | f6f8198 | 2013-04-09 17:27:09 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s |
| 2 | 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-f128:128:128-v128:128:128-n32:64" |
| 3 | target triple = "powerpc64-unknown-linux-gnu" |
| 4 | |
| 5 | define signext i32 @foo() #0 { |
| 6 | entry: |
| 7 | %v = alloca [8200 x i32], align 4 |
| 8 | %w = alloca [8200 x i32], align 4 |
| 9 | %q = alloca [8200 x i32], align 4 |
| 10 | %0 = bitcast [8200 x i32]* %v to i8* |
| 11 | call void @llvm.lifetime.start(i64 32800, i8* %0) #0 |
| 12 | %1 = bitcast [8200 x i32]* %w to i8* |
| 13 | call void @llvm.lifetime.start(i64 32800, i8* %1) #0 |
| 14 | %2 = bitcast [8200 x i32]* %q to i8* |
| 15 | call void @llvm.lifetime.start(i64 32800, i8* %2) #0 |
| 16 | %arraydecay = getelementptr inbounds [8200 x i32]* %q, i64 0, i64 0 |
| 17 | %arraydecay1 = getelementptr inbounds [8200 x i32]* %v, i64 0, i64 0 |
| 18 | %arraydecay2 = getelementptr inbounds [8200 x i32]* %w, i64 0, i64 0 |
| 19 | call void @bar(i32* %arraydecay, i32* %arraydecay1, i32* %arraydecay2) #0 |
Manman Ren | 2dc50d3 | 2013-04-30 17:52:57 +0000 | [diff] [blame] | 20 | %3 = load i32* %arraydecay2, align 4 |
Hal Finkel | f6f8198 | 2013-04-09 17:27:09 +0000 | [diff] [blame] | 21 | %arrayidx3 = getelementptr inbounds [8200 x i32]* %w, i64 0, i64 1 |
Manman Ren | 2dc50d3 | 2013-04-30 17:52:57 +0000 | [diff] [blame] | 22 | %4 = load i32* %arrayidx3, align 4 |
Hal Finkel | f6f8198 | 2013-04-09 17:27:09 +0000 | [diff] [blame] | 23 | |
| 24 | ; CHECK: @foo |
| 25 | ; CHECK-NOT: lwzx |
| 26 | ; CHECK: lwz {{[0-9]+}}, 4([[REG:[0-9]+]]) |
| 27 | ; CHECK: lwz {{[0-9]+}}, 0([[REG]]) |
| 28 | ; CHECK: blr |
| 29 | |
| 30 | %add = add nsw i32 %4, %3 |
| 31 | call void @llvm.lifetime.end(i64 32800, i8* %2) #0 |
| 32 | call void @llvm.lifetime.end(i64 32800, i8* %1) #0 |
| 33 | call void @llvm.lifetime.end(i64 32800, i8* %0) #0 |
| 34 | ret i32 %add |
| 35 | } |
| 36 | |
| 37 | declare void @llvm.lifetime.start(i64, i8* nocapture) #0 |
| 38 | |
| 39 | declare void @bar(i32*, i32*, i32*) |
| 40 | |
| 41 | declare void @llvm.lifetime.end(i64, i8* nocapture) #0 |
| 42 | |
| 43 | attributes #0 = { nounwind } |