forked from OSchip/llvm-project
95 lines
3.5 KiB
LLVM
95 lines
3.5 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s | FileCheck %s
|
|
target datalayout = "e-p:64:64-i64:64-n32:64"
|
|
target triple = "powerpc64le-linux"
|
|
|
|
%struct.BSS1.0.9.28.39.43.46.47.54.56.57.64.65.69.71.144 = type <{ [220 x i8] }>
|
|
|
|
@.BSS1 = external unnamed_addr global %struct.BSS1.0.9.28.39.43.46.47.54.56.57.64.65.69.71.144, align 32
|
|
|
|
; Function Attrs: noinline nounwind
|
|
define void @ety2_() #0 {
|
|
|
|
; This test case used to crash because the preinc prep pass would assume that
|
|
; if X-Y could be simplified to a constant, than so could Y-X. While not
|
|
; desirable, we cannot actually make this guarantee.
|
|
; CHECK-LABEL: @ety2_
|
|
|
|
L.entry:
|
|
%0 = load i32, i32* undef, align 4
|
|
%1 = sext i32 %0 to i64
|
|
%2 = shl nsw i64 %1, 3
|
|
%3 = add nsw i64 %2, 8
|
|
br label %L.LB1_425
|
|
|
|
L.LB1_425: ; preds = %L.LB1_427, %L.entry
|
|
%4 = phi i64 [ %21, %L.LB1_427 ], [ undef, %L.entry ]
|
|
br i1 undef, label %L.LB1_427, label %L.LB1_816
|
|
|
|
L.LB1_816: ; preds = %L.LB1_425
|
|
switch i32 undef, label %L.LB1_432 [
|
|
i32 30, label %L.LB1_805
|
|
i32 10, label %L.LB1_451
|
|
i32 20, label %L.LB1_451
|
|
]
|
|
|
|
L.LB1_451: ; preds = %L.LB1_816, %L.LB1_816
|
|
unreachable
|
|
|
|
L.LB1_432: ; preds = %L.LB1_816
|
|
%.in.31 = lshr i64 %4, 32
|
|
%5 = trunc i64 %.in.31 to i32
|
|
br i1 undef, label %L.LB1_769, label %L.LB1_455
|
|
|
|
L.LB1_455: ; preds = %L.LB1_432
|
|
unreachable
|
|
|
|
L.LB1_769: ; preds = %L.LB1_432
|
|
%6 = sext i32 %5 to i64
|
|
%7 = add nsw i64 %6, 2
|
|
%8 = add nsw i64 %6, -1
|
|
%9 = mul i64 %8, %1
|
|
%10 = add i64 %9, %7
|
|
%11 = shl i64 %10, 3
|
|
%12 = getelementptr i8, i8* undef, i64 %11
|
|
%13 = mul nsw i64 %6, %1
|
|
%14 = add i64 %7, %13
|
|
%15 = shl i64 %14, 3
|
|
%16 = getelementptr i8, i8* undef, i64 %15
|
|
br i1 undef, label %L.LB1_662, label %L.LB1_662.prol
|
|
|
|
L.LB1_662.prol: ; preds = %L.LB1_662.prol, %L.LB1_769
|
|
%indvars.iv.next20.prol = add nuw nsw i64 undef, 1
|
|
br i1 undef, label %L.LB1_662, label %L.LB1_662.prol
|
|
|
|
L.LB1_662: ; preds = %L.LB1_437.2, %L.LB1_662.prol, %L.LB1_769
|
|
%indvars.iv19 = phi i64 [ %indvars.iv.next20.3, %L.LB1_437.2 ], [ 0, %L.LB1_769 ], [ %indvars.iv.next20.prol, %L.LB1_662.prol ]
|
|
%indvars.iv.next20 = add nuw nsw i64 %indvars.iv19, 1
|
|
%17 = mul i64 %indvars.iv.next20, %3
|
|
%18 = getelementptr i8, i8* %16, i64 %17
|
|
%19 = bitcast i8* %18 to double*
|
|
store double 0.000000e+00, double* %19, align 8
|
|
%indvars.iv.next20.1 = add nsw i64 %indvars.iv19, 2
|
|
%20 = mul i64 %indvars.iv.next20.1, %3
|
|
br i1 undef, label %L.LB1_437.2, label %L.LB1_824.2
|
|
|
|
L.LB1_427: ; preds = %L.LB1_425
|
|
%21 = load i64, i64* bitcast (i8* getelementptr inbounds (%struct.BSS1.0.9.28.39.43.46.47.54.56.57.64.65.69.71.144, %struct.BSS1.0.9.28.39.43.46.47.54.56.57.64.65.69.71.144* @.BSS1, i64 0, i32 0, i64 8) to i64*), align 8
|
|
br label %L.LB1_425
|
|
|
|
L.LB1_805: ; preds = %L.LB1_816
|
|
ret void
|
|
|
|
L.LB1_824.2: ; preds = %L.LB1_662
|
|
%22 = getelementptr i8, i8* %12, i64 %20
|
|
%23 = bitcast i8* %22 to double*
|
|
store double 0.000000e+00, double* %23, align 8
|
|
br label %L.LB1_437.2
|
|
|
|
L.LB1_437.2: ; preds = %L.LB1_824.2, %L.LB1_662
|
|
%indvars.iv.next20.3 = add nsw i64 %indvars.iv19, 4
|
|
br label %L.LB1_662
|
|
}
|
|
|
|
attributes #0 = { noinline nounwind }
|
|
|