| Bill Schmidt | c38c1d1 | 2013-07-01 20:52:27 +0000 | [diff] [blame] | 1 | ; RUN: llc -mcpu=pwr7 -O1 < %s | FileCheck %s |
| 2 | |
| 3 | ; This test verifies that the peephole optimization of address accesses |
| 4 | ; does not produce a load or store with a relocation that can't be |
| 5 | ; satisfied for a given instruction encoding. Reduced from a test supplied |
| 6 | ; by Hal Finkel. |
| 7 | |
| 8 | 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" |
| 9 | target triple = "powerpc64-unknown-linux-gnu" |
| 10 | |
| 11 | %struct.S1 = type { [8 x i8] } |
| 12 | |
| 13 | @main.l_1554 = internal global { i8, i8, i8, i8, i8, i8, i8, i8 } { i8 -1, i8 -6, i8 57, i8 62, i8 -48, i8 0, i8 58, i8 80 }, align 1 |
| 14 | |
| 15 | ; Function Attrs: nounwind readonly |
| 16 | define signext i32 @main() #0 { |
| 17 | entry: |
| 18 | %call = tail call fastcc signext i32 @func_90(%struct.S1* byval bitcast ({ i8, i8, i8, i8, i8, i8, i8, i8 }* @main.l_1554 to %struct.S1*)) |
| 19 | ; CHECK-NOT: ld {{[0-9]+}}, main.l_1554@toc@l |
| 20 | ret i32 %call |
| 21 | } |
| 22 | |
| 23 | ; Function Attrs: nounwind readonly |
| 24 | define internal fastcc signext i32 @func_90(%struct.S1* byval nocapture %p_91) #0 { |
| 25 | entry: |
| 26 | %0 = bitcast %struct.S1* %p_91 to i64* |
| 27 | %bf.load = load i64* %0, align 1 |
| 28 | %bf.shl = shl i64 %bf.load, 26 |
| 29 | %bf.ashr = ashr i64 %bf.shl, 54 |
| 30 | %bf.cast = trunc i64 %bf.ashr to i32 |
| 31 | ret i32 %bf.cast |
| 32 | } |
| 33 | |
| Bill Wendling | 80075c4 | 2013-08-22 21:28:54 +0000 | [diff] [blame] | 34 | attributes #0 = { nounwind readonly "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } |