xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/ppc64-align-long-double.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=pwr7 -O0 -fast-isel=false -mattr=-vsx < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=pwr7 -O0 -fast-isel=false -mattr=+vsx < %s | FileCheck -check-prefix=CHECK-VSX %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; Verify internal alignment of long double in a struct.  The double
5*9880d681SAndroid Build Coastguard Worker; argument comes in in GPR3; GPR4 is skipped; GPRs 5 and 6 contain
6*9880d681SAndroid Build Coastguard Worker; the long double.  Check that these are stored to proper locations
7*9880d681SAndroid Build Coastguard Worker; in the parameter save area and loaded from there for return in FPR1/2.
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workertarget 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"
10*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-unknown-linux-gnu"
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker%struct.S = type { double, ppc_fp128 }
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerdefine ppc_fp128 @test(%struct.S* byval %x) nounwind {
15*9880d681SAndroid Build Coastguard Workerentry:
16*9880d681SAndroid Build Coastguard Worker  %b = getelementptr inbounds %struct.S, %struct.S* %x, i32 0, i32 1
17*9880d681SAndroid Build Coastguard Worker  %0 = load ppc_fp128, ppc_fp128* %b, align 16
18*9880d681SAndroid Build Coastguard Worker  ret ppc_fp128 %0
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std 6, 72(1)
22*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std 5, 64(1)
23*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std 4, 56(1)
24*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std 3, 48(1)
25*9880d681SAndroid Build Coastguard Worker; CHECK: lfd 1, 64(1)
26*9880d681SAndroid Build Coastguard Worker; CHECK: lfd 2, 72(1)
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: std 6, 72(1)
29*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: std 5, 64(1)
30*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: std 4, 56(1)
31*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: std 3, 48(1)
32*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: li 3, 16
33*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: addi 4, 1, 48
34*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: lxsdx 1, 4, 3
35*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: li 3, 24
36*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: lxsdx 2, 4, 3
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