llvm-for-llvmta/test/CodeGen/ARM/2009-06-22-CoalescerBug.ll

44 lines
1.4 KiB
LLVM

; RUN: llc < %s -mtriple=armv6-apple-darwin
%struct.rtunion = type { i64 }
%struct.rtx_def = type { i16, i8, i8, [1 x %struct.rtunion] }
define void @simplify_unary_real(i8* nocapture %p) nounwind {
entry:
%tmp121 = load i64, i64* null, align 4 ; <i64> [#uses=1]
%0 = getelementptr %struct.rtx_def, %struct.rtx_def* null, i32 0, i32 3, i32 3, i32 0 ; <i64*> [#uses=1]
%tmp122 = load i64, i64* %0, align 4 ; <i64> [#uses=1]
%1 = zext i64 undef to i192 ; <i192> [#uses=2]
%2 = zext i64 %tmp121 to i192 ; <i192> [#uses=1]
%3 = shl i192 %2, 64 ; <i192> [#uses=2]
%4 = zext i64 %tmp122 to i192 ; <i192> [#uses=1]
%5 = shl i192 %4, 128 ; <i192> [#uses=1]
%6 = or i192 %3, %1 ; <i192> [#uses=1]
%7 = or i192 %6, %5 ; <i192> [#uses=2]
switch i32 undef, label %bb82 [
i32 77, label %bb38
i32 129, label %bb21
i32 130, label %bb20
]
bb20: ; preds = %entry
ret void
bb21: ; preds = %entry
br i1 undef, label %bb82, label %bb29
bb29: ; preds = %bb21
%tmp18.i = and i192 %3, 1208907372870555465154560 ; <i192> [#uses=1]
%mask.i = or i192 %tmp18.i, %1 ; <i192> [#uses=1]
%mask41.i = or i192 %mask.i, 0 ; <i192> [#uses=1]
br label %bb82
bb38: ; preds = %entry
br label %bb82
bb82: ; preds = %bb38, %bb29, %bb21, %entry
%d.0 = phi i192 [ %mask41.i, %bb29 ], [ undef, %bb38 ], [ %7, %entry ], [ %7, %bb21 ] ; <i192> [#uses=1]
%tmp51 = trunc i192 %d.0 to i64 ; <i64> [#uses=0]
ret void
}