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7546bed590
Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to use the old behavior, the flag is -O0. This change allows for finer-grained control over which optimizations are run at different -O levels. Most of this work was pretty mechanical. The majority of the fixes came from verifying that a "fast" variable wasn't used anymore. The JIT still uses a "Fast" flag. I'll change the JIT with a follow-up patch. llvm-svn: 70343
36 lines
1.6 KiB
LLVM
36 lines
1.6 KiB
LLVM
; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin -O0 -regalloc=local | not grep sil
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; rdar://6787136
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%struct.X = type { i8, [32 x i8] }
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @z to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define i32 @z() nounwind ssp {
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entry:
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%retval = alloca i32 ; <i32*> [#uses=2]
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%xxx = alloca %struct.X ; <%struct.X*> [#uses=6]
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%0 = alloca i32 ; <i32*> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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%1 = getelementptr %struct.X* %xxx, i32 0, i32 1 ; <[32 x i8]*> [#uses=1]
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%2 = getelementptr [32 x i8]* %1, i32 0, i32 31 ; <i8*> [#uses=1]
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store i8 48, i8* %2, align 1
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%3 = getelementptr %struct.X* %xxx, i32 0, i32 1 ; <[32 x i8]*> [#uses=1]
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%4 = getelementptr [32 x i8]* %3, i32 0, i32 31 ; <i8*> [#uses=1]
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%5 = load i8* %4, align 1 ; <i8> [#uses=1]
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%6 = getelementptr %struct.X* %xxx, i32 0, i32 1 ; <[32 x i8]*> [#uses=1]
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%7 = getelementptr [32 x i8]* %6, i32 0, i32 0 ; <i8*> [#uses=1]
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store i8 %5, i8* %7, align 1
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%8 = getelementptr %struct.X* %xxx, i32 0, i32 0 ; <i8*> [#uses=1]
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store i8 15, i8* %8, align 1
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%9 = call i32 (...)* bitcast (i32 (%struct.X*, %struct.X*)* @f to i32 (...)*)(%struct.X* byval align 4 %xxx, %struct.X* byval align 4 %xxx) nounwind ; <i32> [#uses=1]
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store i32 %9, i32* %0, align 4
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%10 = load i32* %0, align 4 ; <i32> [#uses=1]
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store i32 %10, i32* %retval, align 4
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br label %return
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return: ; preds = %entry
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%retval1 = load i32* %retval ; <i32> [#uses=1]
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ret i32 %retval1
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}
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declare i32 @f(%struct.X* byval align 4, %struct.X* byval align 4) nounwind ssp
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