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17 lines
433 B
17 lines
433 B
4 months ago
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; CHECK-LABEL: define i64 @test
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define i64 @test1(i32 %A) {
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; CHECK: %[[ADD:.*]] = add nsw i32 %B, %C
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; CHECK: %F = sext i32 %[[ADD]] to i64
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; CHECK: ret i64 %F
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%B = ashr i32 %A, 7 ; <i32> [#uses=1]
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%C = ashr i32 %A, 9 ; <i32> [#uses=1]
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%D = sext i32 %B to i64 ; <i64> [#uses=1]
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%E = sext i32 %C to i64 ; <i64> [#uses=1]
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%F = add i64 %D, %E ; <i64> [#uses=1]
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ret i64 %F
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}
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