1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O2 -fast-isel=false -mattr=-vsx < %s | FileCheck %s
3 ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O2 -fast-isel=false -mattr=+vsx < %s | FileCheck -check-prefix=CHECK-VSX %s
4 ; RUN: llc -verify-machineinstrs -mcpu=pwr9 -O2 -fast-isel=false -mattr=+vsx < %s | FileCheck -check-prefix=CHECK-P9 %s
6 ; Verify internal alignment of long double in a struct. The double
7 ; argument comes in GPR3; GPR4 is skipped; GPRs 5 and 6 contain
8 ; the long double. Check that these are stored to proper locations
9 ; in the parameter save area and loaded from there for return in FPR1/2.
11 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"
12 target triple = "powerpc64-unknown-linux-gnu"
14 %struct.S = type { double, ppc_fp128 }
16 ; The additional stores are caused because we forward the value in the
17 ; store->load->bitcast path to make a store and bitcast of the same
18 ; value. Since the target does bitcast through memory and we no longer
19 ; remember the address we need to do the store in a fresh local
21 define ppc_fp128 @test(%struct.S* byval %x) nounwind {
23 ; CHECK: # %bb.0: # %entry
24 ; CHECK-NEXT: std 5, -16(1)
25 ; CHECK-NEXT: std 6, -8(1)
26 ; CHECK-NEXT: lfd 1, -16(1)
27 ; CHECK-NEXT: lfd 2, -8(1)
28 ; CHECK-NEXT: std 6, 72(1)
29 ; CHECK-NEXT: std 5, 64(1)
30 ; CHECK-NEXT: std 3, 48(1)
31 ; CHECK-NEXT: std 4, 56(1)
34 ; CHECK-VSX-LABEL: test:
35 ; CHECK-VSX: # %bb.0: # %entry
36 ; CHECK-VSX-NEXT: std 3, 48(1)
37 ; CHECK-VSX-NEXT: std 6, 72(1)
38 ; CHECK-VSX-NEXT: std 5, 64(1)
39 ; CHECK-VSX-NEXT: std 4, 56(1)
40 ; CHECK-VSX-NEXT: std 5, -16(1)
41 ; CHECK-VSX-NEXT: std 6, -8(1)
42 ; CHECK-VSX-NEXT: lfd 1, -16(1)
43 ; CHECK-VSX-NEXT: lfd 2, -8(1)
46 ; CHECK-P9-LABEL: test:
47 ; CHECK-P9: # %bb.0: # %entry
48 ; CHECK-P9-NEXT: mtfprd 1, 5
49 ; CHECK-P9-NEXT: mtfprd 2, 6
50 ; CHECK-P9-NEXT: std 6, 72(1)
51 ; CHECK-P9-NEXT: std 5, 64(1)
52 ; CHECK-P9-NEXT: std 3, 48(1)
53 ; CHECK-P9-NEXT: std 4, 56(1)
56 %b = getelementptr inbounds %struct.S, %struct.S* %x, i32 0, i32 1
57 %0 = load ppc_fp128, ppc_fp128* %b, align 16