forked from OSchip/llvm-project
52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
; RUN: llc -march=x86-64 < %s | FileCheck %s
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; rdar://9081094
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; LSR shouldn't create lots of redundant address computations.
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%0 = type { i32, [3 x i32] }
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%1 = type { i32 (i32, i32, i32)*, i32, i32, [3 x i32], i8*, i8*, i8* }
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@pgm = external hidden unnamed_addr global [5 x %0], align 32
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@isa = external hidden unnamed_addr constant [13 x %1], align 32
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define void @main_bb.i() nounwind {
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; CHECK: main_bb.i:
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; CHECK-NOT: ret
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; CHECK: addq $-16,
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; CHECK-NOT: ret
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; CHECK: ret
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bb:
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br label %bb38
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bb38: ; preds = %bb200, %bb
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%tmp39 = phi i64 [ %tmp201, %bb200 ], [ 0, %bb ]
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%tmp40 = sub i64 0, %tmp39
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%tmp47 = getelementptr [5 x %0], [5 x %0]* @pgm, i64 0, i64 %tmp40, i32 0
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%tmp34 = load i32, i32* %tmp47, align 16
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%tmp203 = icmp slt i32 %tmp34, 12
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br i1 %tmp203, label %bb215, label %bb200
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bb200: ; preds = %bb38
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%tmp201 = add i64 %tmp39, 1
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br label %bb38
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bb215: ; preds = %bb38
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%tmp50 = getelementptr [5 x %0], [5 x %0]* @pgm, i64 0, i64 %tmp40, i32 1, i64 2
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%tmp49 = getelementptr [5 x %0], [5 x %0]* @pgm, i64 0, i64 %tmp40, i32 1, i64 1
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%tmp48 = getelementptr [5 x %0], [5 x %0]* @pgm, i64 0, i64 %tmp40, i32 1, i64 0
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%tmp216 = add nsw i32 %tmp34, 1
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store i32 %tmp216, i32* %tmp47, align 16
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%tmp217 = sext i32 %tmp216 to i64
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%tmp218 = getelementptr inbounds [13 x %1], [13 x %1]* @isa, i64 0, i64 %tmp217, i32 3, i64 0
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%tmp219 = load i32, i32* %tmp218, align 8
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store i32 %tmp219, i32* %tmp48, align 4
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%tmp220 = getelementptr inbounds [13 x %1], [13 x %1]* @isa, i64 0, i64 %tmp217, i32 3, i64 1
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%tmp221 = load i32, i32* %tmp220, align 4
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store i32 %tmp221, i32* %tmp49, align 4
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%tmp222 = getelementptr inbounds [13 x %1], [13 x %1]* @isa, i64 0, i64 %tmp217, i32 3, i64 2
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%tmp223 = load i32, i32* %tmp222, align 8
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store i32 %tmp223, i32* %tmp50, align 4
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ret void
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}
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