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 5 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. 10 11target 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" 12target triple = "powerpc64-unknown-linux-gnu" 13 14%struct.S = type { double, ppc_fp128 } 15 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 20; address. 21define ppc_fp128 @test(ptr byval(%struct.S) %x) nounwind { 22; CHECK-LABEL: test: 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) 32; CHECK-NEXT: blr 33; 34; CHECK-VSX-LABEL: test: 35; CHECK-VSX: # %bb.0: # %entry 36; CHECK-VSX-NEXT: std 5, -16(1) 37; CHECK-VSX-NEXT: std 6, -8(1) 38; CHECK-VSX-NEXT: lfd 1, -16(1) 39; CHECK-VSX-NEXT: lfd 2, -8(1) 40; CHECK-VSX-NEXT: std 6, 72(1) 41; CHECK-VSX-NEXT: std 5, 64(1) 42; CHECK-VSX-NEXT: std 3, 48(1) 43; CHECK-VSX-NEXT: std 4, 56(1) 44; CHECK-VSX-NEXT: blr 45; 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) 54; CHECK-P9-NEXT: blr 55entry: 56 %b = getelementptr inbounds %struct.S, ptr %x, i32 0, i32 1 57 %0 = load ppc_fp128, ptr %b, align 16 58 ret ppc_fp128 %0 59} 60 61