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884c70c912
e.g. movl 4(%esp), %eax addl $4, %eax is 2 bytes shorter than movl $4, %eax addl 4(%esp), %eax git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60139 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
853 B
LLVM
26 lines
853 B
LLVM
; RUN: llvm-as < %s | llc | grep {addl.\$4, %ecx}
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; RUN: llvm-as < %s | llc | not grep leal
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; this should not sink %1 into bb1, that would increase reg pressure.
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; rdar://6399178
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin7"
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define i32 @bar(i32** %P) nounwind {
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entry:
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%0 = load i32** %P, align 4 ; <i32*> [#uses=2]
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%1 = getelementptr i32* %0, i32 1 ; <i32*> [#uses=1]
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%2 = icmp ugt i32* %1, inttoptr (i64 1233 to i32*) ; <i1> [#uses=1]
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br i1 %2, label %bb1, label %bb
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bb: ; preds = %entry
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store i32* inttoptr (i64 123 to i32*), i32** %P, align 4
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br label %bb1
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bb1: ; preds = %entry, %bb
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%3 = getelementptr i32* %1, i32 1 ; <i32*> [#uses=1]
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%4 = load i32* %3, align 4 ; <i32> [#uses=1]
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ret i32 %4
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}
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