1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
27 lines
660 B
C
27 lines
660 B
C
// RUN: %clang_cc1 -triple avr -emit-llvm %s -o - | FileCheck %s
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// Structure that is more than 8 bytes.
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struct s10 {
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int a, b, c, d, e;
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};
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// Structure that is less than 8 bytes.
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struct s06 {
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int a, b, c;
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};
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struct s10 foo10(int a, int b, int c) {
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struct s10 a0;
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return a0;
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}
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struct s06 foo06(int a, int b, int c) {
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struct s06 a0;
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return a0;
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}
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// CHECK: %struct.s10 = type { i16, i16, i16, i16, i16 }
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// CHECK: %struct.s06 = type { i16, i16, i16 }
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// CHECK: define{{.*}} void @foo10(%struct.s10* {{.*}}, i16 noundef %a, i16 noundef %b, i16 noundef %c)
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// CHECK: define{{.*}} %struct.s06 @foo06(i16 noundef %a, i16 noundef %b, i16 noundef %c)
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